-:-
Coverage: grass
AI verdict
AI pick Ayeni A
win probability ~56%
confidence Medium
best odds 1.06
Model consensus and the Glicko-2 rating lean to Ayeni A. Full breakdown below.
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Ayeni A - Stephens Zach
✓ Prematch ready
Prematch data
✓Line
✓Form
–H2H
✓Prediction
Tennis
ATP Challenger. Roehampton. Qualification
ATP Challenger. Roehampton. Qualification
grass
16.08.2026 14:00 UTC
Not started
Preview
Extended stats (scorego)
| Ayeni A | Stephens Zach | |
|---|---|---|
| Win % | 56.5% | 31.9% |
| Hard % | 58.2% | 34.7% |
| Clay % | 46.7% | 20% |
| Grass % | 66.7% | 0% |
| Deciding set % | 53.2% | 48.3% |
| Tie-breaks % | 56.3% | 33.3% |
| Titles (total) | 4 | 0 |
| Last 10 | LWLLLLWLWL | LLLLLLLLLW |
Source: scorego-app.com
About the athletes
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Country
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Rating
-
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Age
-
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Height (cm)
-
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Weight (kg)
-
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Hand
-
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Seed
-
grass
Coverage
grass
0
H2H
0
Odds
P1
1.06
86.5% BetBoom
P2
6.80
13.5% BetBoom
Ayeni A go head-to-head with Stephens Zach on August 16, 2026 in the ATP Challenger. Roehampton. Qualification, International.
Full analysis — form, H2H, odds and the PropickAI AI prediction — follows on this page.
🎯 PropickAI prediction
Medium confidence
Our model prediction (Glicko-2)
1 Ayeni A — 56%
Model estimate: win Ayeni A 56.0%, win Stephens Zach 44.0%. Model favourite — Ayeni A.
Informational estimate, not a betting recommendation.
How we calculated thisModel, consensus and market breakdown
Math-model prediction
AI match prediction Ayeni A - Stephens Zach August 16, 2026
Tennis math modelThe summary is built from our prematch context: line, form, lineups and Glicko.
Line favourite Fonbet: Ayeni A. We cross-check with Glicko and the math model below.
- Win odds (Fonbet): 1 1.06 / 2 6.80
For reference
Fair probability (no margin)
Probability excluding the bookmaker margin — for reference, not a betting recommendation.
Winner
bookmaker margin 9.1%
1 ✓ Pick
86.5%
2
13.5%
Odds source: Fonbet line. 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
1.06
→ 1.06
Winner P2
6.80
→ 6.80
↓ 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
Head-to-head
Team form
Ayeni A
4-6WWWLWLLLLL
scored 0.9conceded 1.3
Stephens Zach
5-5WWLWWLWLLL
scored 1.3conceded 1.2
Head-to-head and recent form per sports statistics — for reference.
Match center
Start
16.08.2026 14:00 UTC
Market
1 86.5% @ 1.06 / 2 13.5% @ 6.80
Coverage
grass
Form
5 matches
🥊 Humans vs Machines
📐 Math model
Ayeni A 56%
💹 Market
Ayeni A 87%
Every pick locked before kickoff · public log
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Match center
Ayeni A - Stephens Zach
V baze uchteny nedavnie matchi oboikh uchastnikov.
Form
2/3
recent games
Market
2
model / bookmakers
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
Ayeni A
86.5%
56.0%
market and model agree
Stephens Zach
13.5%
44.0%
Glicko-2 is a team-strength rating: it weighs the line, history and consistency, but is not a guarantee.
Tennis math model
P1 / P2
56.0% / 44.0%
probabilities
Rating
1,529 / 1,424
Ayeni A / Stephens Zach
RD
241 / 224
rating uncertainty
r +/- 2RD
1,047-2,010 / 977-1,872
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
6.80
Fonbet · no value · model 44.0%
1
1.06
Fonbet · no value · model 56.0%
Betting notes are built from the line, market and our math model: take a signal only when the model and market agree.
bookmaker line and markets
Outcome (1X2)
| Outcome | Fonbet |
|---|---|
| 1.06 94.3% | |
| 6.80 14.7% |
Match center
Ayeni A
L
W
Ayeni A
1:2
Petri B
Ayeni A
2:0
Martines Mikel
1
Wins
1
Losses
1.5
Sets won
1.0
Sets lost
50%
Win percentage
Stephens Zach
L
W
L
Stephens Zach
0:2
Vales A
Vales A
Stephens Zach
2:0
Beneym M
Stephens Zach
0:2
Reko A
1
Wins
2
Losses
0.7
Sets won
1.3
Sets lost
33%
Win percentage
Match center
Full head-to-head historyAyeni A - Stephens Zach
Ayeni A
0
matches total
Biggest win
—
largest score margin
Highest-scoring match
—
most goals in a game
Highest-scoring draw
—
draw with the most goals
Match history
Unlock the full match prediction
The Ayeni A - Stephens Zach breakdown — outcomes, probabilities, risks and history — is available after a free sign-in.
- Full AI consensus of 7 models
- Win probabilities & value flags
- Match history & form
Frequently asked questions
When does Ayeni A vs Stephens Zach start?
August 16, 2026.