AI verdict

AI pick Kumasaka T win probability ~79% confidence High best odds 1.04

Model consensus and the Glicko-2 rating lean to Kumasaka T. Full breakdown below.

Picks locked before kickoff results verified after public accuracy log →
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ATP Challenger. Astana
ATP Challenger. Astana

Kumasaka T - Sinclair C

✓ Prematch ready Prematch data Line Form H2H Prediction
Tennis ATP Challenger. Astana
ATP Challenger. Astana hard 11.08.2026 06:30 UTC Finished
11.08.2026 06:30 UTC Finished
K
Kumasaka T
Rank #503 Elo 89
64Average Form
L W W L W L W L
S
Sinclair C
Rank #549 Elo 75
49Struggling Form
L W L W L W W W
2:0 6:2 7:6
1 2 GP
Kumasaka T 6 7 2
Sinclair C 2 6 0
1 2
Coverage: hard
Preview

Extended stats (scorego)

Kumasaka T Sinclair C
Win % 59% 58.3%
Hard % 59% 56.2%
Clay % 57.7% 66.7%
Grass % 0% 84.6%
Deciding set % 60.8% 55.8%
Tie-breaks % 45.3% 49.3%
Titles (total) 1 4
Last 10 LLLWWLWLWL WWLWLWLWWL

Source: scorego-app.com

About the athletes

- Country -
#503 Rating #549
31 Age 27
1.88m Height (cm) 1.75m
82kg Weight (kg) 73kg
Right Hand Right
- Seed -
hard Coverage hard
0 H2H 0

Serve and return stats

Kumasaka T Sinclair C
Aces per match 8.58 3.57
Double faults per match 2.58 2.36
Breaks per match 2.38 2.46

Source:tennisstats.com (per-match averages)

TennisStats: rating, form and serve/return

Colin Sinclair
Rank:503 Elo: 89
L W W L W L W L
Takuya Kumasaka
Rank:549 Elo: 75
L W L W L W W W
Elo favourite:Sinclair C (edge +14 Elo)

Hard

Colin SinclairTakuya Kumasaka
Win Percentage 2026 Calendar Year 51.4% 18 / 35 Matches 50.0% 16 / 32 Matches
Win Percentage Last 12 Months 50.9% 27 / 53 Matches 53.5% 31 / 58 Matches

Clay

Colin SinclairTakuya Kumasaka
Win Percentage 2026 Calendar Year 83.3% 5 / 6 Matches N/A 0 / 0 Matches
Win Percentage Last 12 Months 83.3% 5 / 6 Matches N/A 0 / 0 Matches

Grass

Colin SinclairTakuya Kumasaka
Win Percentage 2026 Calendar Year 90.0% 9 / 10 Matches N/A 0 / 0 Matches
Win Percentage Last 12 Months 90.0% 9 / 10 Matches N/A 0 / 0 Matches

Source:tennisstats.com

H2H series (tennisstats)

Colin Sinclair Takuya Kumasaka
H2H wins 0 (0.0%) 1 (100.0%)
Sets 0 (0.0%) 2 (100.0%)
Wins this year 63.6% 35 / 55 Matches 48.7% 18 / 37 Matches
Wins in 12 mo. 60.3% 44 / 73 Matches 52.4% 33 / 63 Matches
Current rank 503 549

Source: tennisstats.com

Profile and percentages (tennisstats)

Colin Sinclair Takuya Kumasaka
Prize money (career) $125,914 USD $33,433 USD
Rating 503 549
Age 31 27
Height 1.88m 1.75m
Weight 82kg 73kg
Playing hand Right-handed Right-handed

Win percentage (match / set)

Colin Sinclair Takuya Kumasaka
Match Wins 64 % 49 %
Match Wins (3 Sets) 63 % 50 %
Wins in Straight Sets 42 % 43 %
Wins From Behind 26 % 5 %
Won At Least 1 Set 80 % 73 %
Set 1 Win 58 % 59 %
Set 2 Win 64 % 57 %
Set 3 Win 57 % 20 %

Source:tennisstats.com

Match stats (live, tennisstats)

Colin Sinclair Takuya Kumasaka
Aces 3 6
Double Faults 2 1
1st serve percentage 52% 57%
1st serve points won 73% (24/33) 82% (27/33)
2nd serve points won 74% (23/31) 48% (12/25)
Break Points Saved 4/4 1/3
1st return points won 18% (6/33) 27% (9/33)
2nd return points won 52% (13/25) 26% (8/31)
Break Points Converted 2/3 0/4
Service Points Won 73% (47/64) 67% (39/58)
Return Points Won 33% (19/58) 27% (17/64)
Total Points Won 54% (66/122) 46% (56/122)
Last 10 balls 7 3
Match points saved 0 1
Service games won 100% (10/10) 80% (8/10)
Return games won 20% (2/10) 0% (0/10)
Total games won 60% (12/20) 40% (8/20)

Source:tennisstats.com

Betting benchmarks (tennisstats)

Outcome percentages for totals and props: values for each player and a match-total column.

Total games

Colin Sinclair Takuya Kumasaka Match total
Average Games in a Set 10.13 9.49 9.81
Over 6.5 94 % 94 % 94 %
Over 7.5 94 % 81 % 88 %
Over 8.5 86 % 63 % 75 %
Over 9.5 47 % 53 % 50 %
Over 10.5 31 % 28 % 30 %
Over 11.5 31 % 28 % 30 %

Aces

Colin Sinclair Takuya Kumasaka Match total
Aces Per Match 8.58 3.57 12.15
Most Aces in a match 50 % 57 % N/A
1+ 100 % 100 % 100 %
2+ 100 % 86 % 97 %
3+ 100 % 64 % 93 %
4+ 92 % 36 % 90 %
5+ 75 % 36 % 82 %

Breaks

Colin Sinclair Takuya Kumasaka Match total
Breaks Per Match 2.38 2.46 4.84
Over 0.5 100 % 57 % 100 %
Over 1.5 8 % 57 % 100 %
Over 2.5 8 % 43 % 97 %
Over 3.5 0 % 43 % 76 %
Over 4.5 0 % 0 % 76 %
Over 5.5 0 % 0 % 33 %

Tie-breaks

Colin Sinclair Takuya Kumasaka Match total
Tie Breaks Per Match 0.53 0.38 0.45
Over 0.5 43 % 28 % 36 %
Over 1.5 10 % 6 % 8 %
Under 0.5 57 % 72 % 36 %
Under 1.5 90 % 94 % 8 %

Double faults

Colin Sinclair Takuya Kumasaka Match total
Double Faults Per Match 2.58 2.36 4.94
Over 0.5 (1+) 92 % 93 % 100 %
Over 1.5 (2+) 50 % 71 % 88 %
Over 2.5 (3+) 42 % 43 % 81 %
Over 3.5 (4+) 33 % 14 % 54 %
Over 4.5 (5+) 25 % 7 % 46 %
Over 5.5 (6+) 17 % 7 % 43 %

Net points

Colin Sinclair Takuya Kumasaka Match total
Net Points Won Per Match 10 10.86 20.86
Over 4.5 (5+) 50 % 86 % 68 %
Over 5.5 (6+) 50 % 86 % 68 %
Over 6.5 (7+) 50 % 57 % 54 %
Over 7.5 (8+) 50 % 57 % 54 %
Over 8.5 (9+) 50 % 29 % 40 %
Over 9.5 (10+) 25 % 29 % 27 %

Source:tennisstats.com

Odds
P1 1.78 82.7% BetBoom
P2 8.50 17.3% BetBoom

Kumasaka T take on Sinclair C on August 11, 2026 in the ATP Challenger. Astana.

Recent form (W-D-L): Kumasaka T 2-0-3, Sinclair C 3-0-2. PrognozAI's Glicko-2 model gives the home side 79% to win. Read on for detailed stats, previous meetings, the bookmaker line and the PrognozAI neural-network verdict.

🎯 PropickAI prediction
Medium confidence

Our model prediction (Glicko-2)

PropickAI model · comparison with the market line (no margin)

1 Kumasaka T79%

1 · Kumasaka T ✓ Pick78.6%
market 53%
2 · Sinclair C21.4%
market 47%

Model estimate: win Kumasaka T 78.6%, win Sinclair C 21.4%. Model favourite — Kumasaka T.

Informational estimate, not a betting recommendation.

How we calculated thisModel, consensus and market breakdown
AI agent prediction

Independent AI-agent assessment from our data (model, market line, form, H2H)

2Sinclair C (odds1.86) Score 1:2 confidence 51% ✗ outcome missed
  • Kumasaka T
  • 🇯🇵 — Sinkler K
  • 🇲🇦 (tennis)
  • Kumasaka T
  • 🇯🇵: forma PPPPV (1-4)
  • Sinkler K
  • 🇲🇦: forma VVPVP (3-2)
  • Model backs Sinkler K
  • 🇲🇦: probability 51% vs 54% on the line (odds 1.86)
  • no edge over the line (-3 pp) — informational only.

Analytical AI-agent assessment, not a betting recommendation.

Math-model prediction

AI match prediction Kumasaka T - Sinclair C August 11, 2026

Tennis math model

Based on the collected prematch data, the favourite looks like Kumasaka T.

Line favourite Fonbet: Kumasaka T. We cross-check with Glicko and the math model below.
  • Win odds (Fonbet): 1 1.04 / 2 8.50
  • Glicko: Kumasaka T 78.6% / Sinclair C 21.4%

For reference

Fair probability (no margin)

Probability excluding the bookmaker margin — for reference, not a betting recommendation.
Winner bookmaker margin 7.2% 4 books
1 ✓ Pick 52.7%
2 47.3%

Odds source: consensus of 4 books (Fonbet, Kambi BetMGM, Kambi Unibet, Leon). This is the fair probability after removing the bookmaker margin from the odds — reference information, not a prediction or a betting recommendation.

For reference

Line movement

How the odds changed from opening to the current line — for reference, not a betting recommendation.
Winner 1 1.88 ↓ 1.04
Winner 2 1.88 ↑ 8.50

↓ odds shortened (money on this outcome), ↑ drifted (line weakened). For reference, not a betting recommendation.

AI

Model consensus

AI outcome leader: 1

Main outcome
Agreement 1/1
Confidence 62.0%

Modeli dayut edinyy signal. Takie matchi my pomechaem kak bolee silnye.

%

Market consensus

Forecast by market

Match result
Kumasaka T
52%
1.78
Sinclair C
48%
8.50
Total
Over 22.5
51%
1.90
Under 22.5
49%
1.90

Consensus probability with the bookmaker margin removed; the number on the right is the best available odds. For reference only, not a bet.

Head-to-head and form stats

Head-to-head and form

Team form

Kumasaka T
4-6LLWLWWLLLW
scored 1.1conceded 1.2
Sinclair C
7-3WWWLWLWLWW
scored 1.4conceded 1.1

Head-to-head and recent form per sports statistics — for reference.

Playoff draw

Tournament bracket 2026 Astana, Kazakhstan

1/16-finals (R32)
Bar Biryukov, Petr2
Ichikawa, Taisei0
Ouakaa, Aziz0
Cui, Jie2
Dougaz, Aziz2
Deckers, Alec1
Ursu, Vadym0
Dhamne, Manas2
Fomin, Sergey0
Zhukov, Maxim0
Samrej, Kasidit2
Isomura, Kokoro1
Shin, Sanhui1
Arutiunian, Erik2
Imamura, Masamichi2
Ghibaudo, Antoine0
Sun, Fajing2
Nurlanuly, Zangar1
Pankin, Semen2
Palan, Dominik0
Kumasaka, Takuya2
Sinclair, Colin0
Matsuda, Koki0
Matsuoka, Hayato2
Ratti, Lucio2
Sach, Tai Leonard0
Sultanov, Khumoyun2
Binda, Alexander0
Omarkhanov, Amir0
Zhukayev, Beibit2
Rawat, Sidharth0
Alkaya, Mert2
1/8-finals (R16)
Bar Biryukov, Petr0
Cui, Jie2
Dougaz, Aziz0
Dhamne, Manas0
Fomin, Sergey0
Samrej, Kasidit0
Arutiunian, Erik0
Imamura, Masamichi2
Sun, Fajing2
Pankin, Semen1
Kumasaka, Takuya0
Matsuoka, Hayato2
Ratti, Lucio0
Sultanov, Khumoyun2
Zhukayev, Beibit0
Alkaya, Mert2
Quarterfinals
Cui, Jie0
Qf20
Qf30
Imamura, Masamichi0
Sun, Fajing0
Matsuoka, Hayato0
Sultanov, Khumoyun0
Alkaya, Mert0
Semifinals
WQF10
WQF20
WQF30
WQF40
Final
WSF10
WSF20

Playoff draw: gismo. For reference.

AI overview

AI predictions

AI analysis:1/7 ready · Still preparing:DeepSeek, ChatGPT, Claude, Qwen, Kimi, GLM 5.2

Google AI updated11.08.2026 07:04 UTC
1 40%
2 60% ✓ favourite
Score1:2 Total games: Over 22.5 Bet:P2
Per AI data Form:LLLLW / WWLWL H2H: 0-0 Injuries:no
AI 1 2 Score Total games Bet
Google AI 40% 60% 1:2 Over 22.5 P2
Match center
Start 11.08.2026 06:30 UTC
Market 1 89.1% @ 1.04 / 2 10.9% @ 8.50
Coverage hard
Form 6 matches
🥊 Humans vs Machines
🤖 7 AI models Sinclair C 60%
📐 Math model Kumasaka T 79%
💹 Market Kumasaka T 53%
Every pick locked before kickoff · public log
🏦 Virtual bank $10,000
$10,000Virtual balance

Play free: you start with $10,000 in virtual money. Bet on this match at our odds, then track your profit and climb the global leaderboard. No real money, no sign-up.

Match center

Kumasaka T - Sinclair C

V baze uchteny nedavnie matchi oboikh uchastnikov.

Form 5/5 recent games
H2H 0 head-to-head matches
Market 2 model / bookmakers
Post-match / PropickAI database
Score 2:0
Events 0
Statistics 20
Set Kumasaka T Sinclair C Result
Set 1 6 2 6:2
Set 2 7 6 7:6
Metric Kumasaka T Sinclair C SStats
Breyk-poynty realizovany 0/4 2/3 final
Points na prieme 27% (17/64) 33% (19/58) final
Eysy 6 3 final
Breyk-poynty otygrany 1/3 4/4 final
Dvoynye oshibki 1 2 final
Pervaya podacha, % 57% 52% final
Points na pervoy podache 82% (27/33) 73% (24/33) final
Points na vtoroy podache 48% (12/25) 74% (23/31) final
PropickAI check: math model and Glicko-2

We mark in green only strong signals where the model passed our publication filter. The other rows are for audit and training.

Option Signal Prediction / actual Rating
Glicko-2: base favourite Audit tennis is audit-only for now: surface, serve/return and market are needed Data: line, form, coverage home - 78.6% fact: home hit / Brier 0.092 / LogLoss 0.241
Glicko-2: calibrated favourite Audit tennis is audit-only for now: surface, serve/return and market are needed Data: line, form, coverage home - 53.4% fact: home hit / Brier 0.434 / LogLoss 0.627
Market and Glicko

Tennis math model. Tennis without draws: the base signal comes from player rating, surface, form, serve/return and tournament fatigue. For live logic the set state and who is serving matter more than the overall points score.

Outcome Line Glicko Signal
Kumasaka T 82.7% 70.2% model more cautious than market
Sinclair C 17.3% 29.8%
1X2: 4 Bookies

Glicko-2 is a team-strength rating: it weighs the line, history and consistency, but is not a guarantee.

Model = Glicko + Elo strength prior (heuristic, historical calibration in progress). Glicko78.6% · +Elo prior (weight0.29).

Tennis math model
P1 / P2 78.6% / 21.4% probabilities
Rating 1,401 / 1,725 Kumasaka T / Sinclair C
RD 168 / 128 rating uncertainty
r +/- 2RD 1,065-1,738 / 1,470-1,980 strength interval

Tennis without draws: the base signal comes from player rating, surface, form, serve/return and tournament fatigue. For live logic the set state and who is serving matter more than the overall points score.

Betting snapshot
1X2
2 8.50 Fonbet · no value · model 21.4%
1 1.04 Fonbet · no value · model 78.6%
Handicap
2 -0.5 2.02 Fonbet · line only
2 +0.5 1.95 Fonbet · line only
1 -0.5 1.70 Fonbet · line only
1 +0.5 1.75 Fonbet · line only
Total
Over 10.5 3.05 market consensus · line only
Over 18.5 1.65 Fonbet · line only

Betting notes are built from the line, market and our math model: take a signal only when the model and market agree.

Bookmaker line

Match markets

Open on Fonbet →
bookmaker line and markets

Handicap

Outcome Fonbet
1.75 57.1%
1.65 60.6%
1.70 58.8%
1.80 55.6%
1.58 63.3%
1.04 96.2%
1.05 95.2%
2.70 37.0%
2.65 37.7%
1.95 51.3%
2.10 47.6%
2.02 49.5%
1.90 52.6%
2.25 44.4%
8.00 12.5%
7.10 14.1%
1.40 71.4%
1.43 69.9%

Handicap

Outcome Fonbet
1.02 98.0%
1.12 89.3%
5.00 20.0%
10.50 9.5%

Total

Outcome Fonbet
Over 18.5 1.65 60.6%
Over 19.5 1.83 54.6%
Over 20.5 1.70 58.8%
Over 21.5 5.00 20.0%
Over 22.5 1.83 54.6%
Over 23.5 1.92 52.1%
Over 24.5 1.90 52.6%
Over 25.5 1.80 55.6%
Over 26.5 1.85 54.1%
Over 27.5 5.10 19.6%
Over 28.5 7.40 13.5%
Over 29.5 1.85 54.1%
Under 18.5 2.10 47.6%
Under 19.5 1.87 53.5%
Under 20.5 2.02 49.5%
Under 21.5 1.12 89.3%
Under 22.5 1.87 53.5%
Under 23.5 1.78 56.2%

Total

Outcome Fonbet
Over 2.5 5.00 20.0%
Under 2.5 1.12 89.3%
Match center
Kumasaka T
L L L W W
2026-08-04 2026 Grodzisk Mazowiecki, Poland
Kumasaka T Donski A 2:0 Kumasaka T
2026-07-28 2026 Samsun, Turkiye
Kumasaka T Kumasaka T 0:2 Bax F
2026-07-21 2026 Segovia, Spain
Kumasaka T Kumasaka T 1:2 Pavlovic L
2026-07-20 2026 Segovia, Spain, Qualifying
Kumasaka T Callejon Hernando S 0:2 Kumasaka T
2026-07-19 2026 Segovia, Spain, Qualifying
Kumasaka T Meneses Perny A 0:2 Kumasaka T
2 Wins
3 Losses
1.0 Sets won
1.2 Sets lost
40% Win percentage
Sinclair C
W W L W L
2026-08-10 2026 Astana, Kazakhstan, Qualifying
Sinclair C 2:1 Zhalgasbay D Sinclair C
2026-08-09 2026 Astana, Kazakhstan, Qualifying
Sinclair C 2:1 Kachmazov A Sinclair C
2026-08-03 2026 Istanbul 2, Turkiye, Qualifying
Sinclair C 0:2 Singh D P Sinclair C
2026-08-02 2026 Istanbul 2, Turkiye, Qualifying
Sinclair C 2:0 McKennon M Sinclair C
2026-07-29 2026 Samsun, Turkiye
Sinclair C 0:2 Matsuda K Sinclair C
3 Wins
2 Losses
1.2 Sets won
1.2 Sets lost
60% Win percentage
Match center

Full head-to-head historyKumasaka T - Sinclair C

Kumasaka T
0 matches total
Sinclair C
Biggest win largest score margin
Highest-scoring match most goals in a game
Highest-scoring draw draw with the most goals

Match history

Frequently asked questions

Who is the favourite in Kumasaka T vs Sinclair C?

By the PropickAI model, Kumasaka T is favoured — about 79% win probability.

What does PropickAI predict for Kumasaka T vs Sinclair C?

The consensus of 7 AI models and the Glicko-2 rating leans to Kumasaka T. Full probabilities and bookmaker odds are shown on this page.

When does Kumasaka T vs Sinclair C start?

August 11, 2026.