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ATP Challenger. Grodzisk Mazowiecki
ATP Challenger. Grodzisk Mazowiecki
04.08.2026 10:30 UTC

Donski A - Kumasaka T

✓ Prematch ready Prematch data ✓Line ✓Form –H2H ✓Prediction

Donski A meet Kumasaka T on August 4, 2026 in the ATP Challenger. Grodzisk Mazowiecki.

Below: team form, head-to-head history, bookmaker odds and the full PrognozAI AI breakdown.

🎯 PropickAI prediction
Medium confidence

Our model prediction (Glicko-2)

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

1 Donski A — 59%

Pure model vs market (1 · Donski A): model 65% · market 58% Δ +7 pp model estimates above the market

1 · Donski A ✓ Pick59.0%
market58%
2 · Kumasaka T41.0%
market42%

Model estimate: win Donski A 59.0%, win Kumasaka T 41.0%. Model favourite — Donski A.

Informational estimate, not a betting recommendation.

AI agent prediction

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

1Donski A (odds1.58) Score 2:1 confidence 50%
  • • Donski A
  • • 🇧🇴 — Kumasaka T
  • • 🇯🇵 (tennis)
  • • Donski A
  • • 🇧🇴: forma VVPVV (4-1)
  • • Kumasaka T
  • • 🇯🇵: forma PPPVV (2-3)
  • • liniya na pik P1 1.55→1.60 (udlinilas — rynok dreyfuet vs)
  • • Model backs Donski A
  • • 🇧🇴: probability 50% vs 63% on the line (odds 1.58)
  • • no edge over the line (-13 pp) — informational only.

Analytical AI-agent assessment, not a betting recommendation.

Math-model prediction

AI match prediction Donski A - Kumasaka T August 4, 2026

Tennis math model

The summary is built from our prematch context: line, form, lineups and Glicko.

Line favourite Fonbet: Donski A. We cross-check with Glicko and the math model below.
  • Win odds (Fonbet): 1 1.57 / 2 2.25

For reference

Fair probability (no margin)

Probability excluding the bookmaker margin — for reference, not a betting recommendation.
Winner bookmaker margin 8.1% 4 books
1 ✓ Pick 58.4%
2 41.6%

Odds source: consensus of 4 books (Baltbet, Betcity, Fonbet, 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 P1 1.55 ↑ 1.57
Winner P2 2.25 → 2.25

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

Head-to-head and form stats

Head-to-head and form

Team form

Donski A
7-3WWWWWWLLWL
scored 1.5conceded 1.0
Kumasaka T

no data

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

Tennis ATP Challenger. Grodzisk Mazowiecki
ATP Challenger. Grodzisk Mazowiecki hard 04.08.2026 10:30 UTC Not started
04.08.2026 10:30 UTC Not started
Donski A
Donski A
K
Kumasaka T
-:-
Odds
P1 1.60 58.4% BetBoom
P2 2.25 41.6% BetBoom
Coverage: hard
Preview Statistics Broadcast Comments

About the athletes

- Country -
- Rating -
- Age -
- Height (cm) -
- Weight (kg) -
- Hand -
- Seed -
hard Coverage hard
0 H2H 0
Match center
Start 04.08.2026 10:30 UTC
Market 1 58.9% @ 1.57 / 2 41.1% @ 2.25
Coverage hard
Form 6 matches
Match center

Donski A - Kumasaka T

V baze uchteny nedavnie matchi oboikh uchastnikov.

Form 5/5 recent games
H2H 0 head-to-head matches
Market 2 model / bookmakers
Flashscore match data source checked
Odds match data source checked
Bookiesapi match data source checked
Line depth match data source checked
Present in data
Market Form Match Participants Line Movement Overview
More needed
H2H Championat, Flashscore
Tournament Championat, Flashscore
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
Donski A 58.4% 59.0% market and model agree
Kumasaka T 41.6% 41.0%

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

Tennis math model
P1 / P2 59.0% / 41.0% probabilities
Rating 1,865 / 1,393 Donski A / Kumasaka T
RD 158 / 172 rating uncertainty
r +/- 2RD 1,548-2,182 / 1,049-1,737 strength interval
HFA: 0 HFA mu: 0.000 MoV: on N: N=1 P: two_way_glicko2_expected_score

Best value: no value found

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 2.25 Fonbet · no value · model 41.0%
1 1.57 Fonbet · no value · model 59.0%
Handicap
2 -0.5 2.10 Fonbet · line only
1 -0.5 1.65 Fonbet · line only
Total
Over 20.5 1.62 Fonbet · line only
Over 21.5 1.73 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 Baltbet Betcity Fonbet Leon
— — 1.65 60.6% —
— — 1.70 58.8% —
1.86 53.8% 1.88 53.2% 1.85 54.1% 1.91 52.4%
— — 2.15 46.5% —
1.86 53.8% 1.82 55.0% — 1.83 54.6%
— — 2.10 47.6% —
— — 2.02 49.5% —
— — 1.85 54.1% —
— — 1.63 61.4% —

Total

Outcome Baltbet Betcity Fonbet Leon
Over 20.5 — — 1.62 61.7% —
Over 21.5 — 1.79 55.9% 1.73 57.8% 1.75 57.1%
Over 22.5 1.97 50.8% — 1.95 51.3% —
Over 23.5 — — 2.20 45.5% —
Under 20.5 — — 2.15 46.5% —
Under 21.5 — 1.92 52.1% 2.00 50.0% 2.00 50.0%
Under 22.5 1.76 56.8% — 1.75 57.1% —
Under 23.5 — — 1.60 62.5% —

Outcome (1X2)

Outcome Baltbet Betcity Fonbet Leon
1.58 63.3% 1.59 62.9% 1.57 63.7% 1.60 62.5%
2.25 44.4% 2.20 45.5% 2.25 44.4% 2.20 45.5%
Match center
Donski A
W W L W W
03.08 10:30 UTC+0 Challenger Men - Singles: Grodzisk Mazowiecki (Poland) - Qualifying, hard
Donski A 2:0 Sinkha N. 🇮🇳
01.08 13:30 UTC+0 Challenger Men - Singles: Grodzisk Mazowiecki (Poland) - Qualifying, hard
Donski A 2:1 De Skhepper K. 🇫🇷
21.07 07:00 UTC+0 Challenger Men - Singles: Zug (Switzerland), clay
Donski A 0:2 Reberg M. Kh. 🇩🇪Reberg M. Kh. 🇩🇪
20.07 07:00 UTC+0 Challenger Men - Singles: Zug (Switzerland) - Qualifying, clay
Donski A 2:0 Varilyas Kh.-P. 🇵🇪
05.07 10:00 UTC+0 Challenger Men - Singles: Yassy (Romania) - Qualifying, clay
Donski A 2:0 Grevelius E. 🇸🇪
4 Wins
1 Losses
1.6 Sets won
0.6 Sets lost
80% Win percentage
Kumasaka T
L L L W W
28.07 05:30 UTC+0 Challenger Men - Singles: Samsun (Turkey), hard
Kumasaka T 0:2 Baks F. 🇫🇷
21.07 08:00 UTC+0 Segoviya
Kumasaka T 1:2 Pavlovich L
21.07 06:00 UTC+0 Challenger Men - Singles: Segoviya (Spain), hard
Kumasaka T 1:2 Pavlovich L. 🇫🇷Pavlovich L. 🇫🇷
20.07 07:00 UTC+0 Challenger Men - Singles: Segoviya (Spain) - Qualifying, hard
Kumasaka T 2:0 Callejon H. S. 🇪🇸
19.07 11:00 UTC+0 Segoviya
Kumasaka T 2:0 Meneses-Perni A
2 Wins
3 Losses
1.2 Sets won
1.2 Sets lost
40% Win percentage
Match center

Full head-to-head historyDonski A - Kumasaka T

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

Match history