Stefan Kozlov vs Yi ZhouPrediction, Head-to-Head Results, and Stats
Stefan Kozlov and Yi Zhou have met 1 time since 2026; Yi Zhou leads 1–0. Across all meetings Kozlov has taken 1 sets to Zhou's 2. Their most recent meeting: Yi Zhou won at Pozoblanco Challenger (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Kozlov | Zhou | ||
|---|---|---|---|---|
| Indicator | Stefan Kozlov | Yi Zhou | ||
| Wins in straight sets | 56% | 15/27 | 75% | 21/28 |
| Wins a set when losing | 52% | 11/21 | 52% | 13/25 |
| Goes to a deciding set | 48% | 23/48 | 38% | 20/53 |
| Covers −1.5 sets as favorite | 46% | 13/28 | 52% | 17/33 |
| Covers +1.5 sets as underdog | 76% | 13/17 | 69% | 11/16 |
| Tiebreak sets won | 47% | 7/15 | 46% | 12/26 |
| Wins after taking set 1 | 87% | 26/30 | 75% | 24/32 |
| Wins 2-0 after taking set 1 | 50% | 15/30 | 66% | 21/32 |
Colored rows are higher-is-better: green above 50%, red below. Favorite/underdog set by book odds; cover rows count only matches with odds on record. Head-to-head: 0 of 1 completed meetings ended in straight sets (Kozlov 0, Zhou 0).
Style Matchup
Playing styles and historical archetype record
Kozlov
🪃 Counterpuncher
Zhou
💥 Big Hitter
Matchup analysis
🪃 Counterpuncher vs 💥 Big Hitter is historically tight (49% vs 51%, 2,363 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
Previous meetings
1 career meeting, newest first
Jul 14, 2026
Pozoblanco Challenger
H Hard · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Kozlov | Zhou | ||
|---|---|---|---|---|
| Outcome | Stefan Kozlov | Yi Zhou | ||
| 1 or more | 83% | 5/6 | 100% | 14/14 |
| 3 or more | 50% | 3/6 | 86% | 12/14 |
| 5 or more | 0% | 0/6 | 71% | 10/14 |
| 10 or more | 0% | 0/6 | 7% | 1/14 |
| 15 or more | 0% | 0/6 | 0% | 0/14 |
| 20 or more | 0% | 0/6 | 0% | 0/14 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Kozlov | Zhou |
|---|---|---|
| W-L | 3–4 | 9–7 |
| Avg odds | 2.54 | 1.71 |
| ROI % | +13.0% | -20.1% |
| Units P/L | +0.91u | -3.22u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Kozlov | Zhou |
|---|---|---|
| Countries | 1 | — |
| Events | 1 | — |
| Matches | 2 | — |
| Distance | 0 mi · 0 km | — |
| Route | USA | — |
Host country from the tournament each match was played in, over the last 30 days. Route is the order of countries visited; consecutive stops in the same country are shown once. Distance is the great-circle total between host cities, shown only when every stop in the window is geocoded. A rough fatigue signal, not a headline stat.
Common opponents
Results vs. opponents both players faced · Last 12 months
Across 1 shared opponent, both Kozlov and Zhou posted a 0% win rate.
| Opponent | Kozlov | Zhou |
|---|---|---|
| Harry Wendelken | L 62 46 16 | L 16 64 16 |
Recent Form
Last five matches per player
Harry Wendelken
Brownsburg Challenger · 2nd Round
Aug 13
Aidan Mayo
Brownsburg Challenger · 1st Round
Aug 12
Alan Magadan
Bloomfield Hills Challenger · 1st Round
Jul 21
Yi Zhou
Pozoblanco Challenger · 1st Round
Jul 14
Tommaso Compagnucci
Bundesliga - men
Jul 12
Jacob Fearnley
Newport Challenger · 2nd Round
Jul 10
Yibing Wu
Newport Challenger · 1st Round
Jul 9
Garrett Johns
Newport challenger
Jul 7
Daniel Milavsky
Vancouver Challenger · 1st Round
Jul 29
Luka Pavlovic
Segovia Challenger · 2nd Round
Jul 22
Michael Geerts
Segovia Challenger · 1st Round
Jul 20
Tiago Pereira
Pozoblanco Challenger · 2nd Round
Jul 15
Stefan Kozlov
Pozoblanco Challenger · 1st Round
Jul 14
Alastair Gray
Nottingham 3 Challenger · Quarterfinals
Jul 10
Daniel De Jonge
Nottingham 3 Challenger · 2nd Round
Jul 8
Robin Catry
Nottingham 3 Challenger · 1st Round
Jul 7
Win rate
Matches, sets and games won · Last 12 months · 48–54 matches
| Metric | Kozlov | Zhou |
|---|---|---|
| Matches won | 56% | 52% |
| Sets won | 55% | 54% |
| Games won | 52% | 52% |
Record by tier
Head-to-head record by tournament tier
| Stage | Kozlov | Zhou |
|---|---|---|
| ATP Challenger Tour | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Kozlov | Zhou |
|---|---|---|
| Hard | 0 | 1 |
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