Alisa Ziatdinova vs Rira KosakaPrediction, Head-to-Head Results, and Stats
Alisa Ziatdinova and Rira Kosaka have met 1 time since 2026; Rira Kosaka leads 1–0. Across all meetings Ziatdinova has taken 0 sets to Kosaka's 2. Their most recent meeting: Rira Kosaka won at Maanshan 6 ITF (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Ziatdinova | Kosaka | ||
|---|---|---|---|---|
| Indicator | Alisa Ziatdinova | Rira Kosaka | ||
| Wins in straight sets | 50% | 1/2 | 100% | 6/6 |
| Wins a set when losing | 0% | 0/5 | 56% | 5/9 |
| Goes to a deciding set | 14% | 1/7 | 33% | 5/15 |
| Covers −1.5 sets as favorite | 50% | 1/2 | 100% | 1/1 |
| Covers +1.5 sets as underdog | 0% | 0/3 | 67% | 6/9 |
| Tiebreak sets won | 0% | 0/1 | 100% | 1/1 |
| Wins after taking set 1 | 100% | 2/2 | 75% | 6/8 |
| Wins 2-0 after taking set 1 | 50% | 1/2 | 75% | 6/8 |
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. Small sample — read with care. Head-to-head: 1 of 1 completed meetings ended in straight sets (Ziatdinova 0, Kosaka 1).
Previous meetings
1 career meeting, newest first
Jun 29, 2026
Maanshan 6 ITF
H Hard
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Ziatdinova | Kosaka |
|---|---|---|
| W-L | 1–1 | 3–5 |
| Avg odds | 4.49 | 2.96 |
| ROI % | -42.5% | -1.8% |
| Units P/L | -0.85u | -0.14u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Recent Form
Last five matches per player
Ha Eum Lee
W15 Luan · 1st Round
Jul 15
Zi Jun Yang
Luan 4 ITF
Jul 13
Ziyu Zhou
Luan 2 ITF
Jul 6
Rira Kosaka
Maanshan 6 ITF
Jun 29
Anna Pushkareva
W15 Sharm ElSheikh 21 · 1st Round
Nov 26
Darja Suvirdjonkova
W15 Sharm ElSheikh 17 · 2nd Round
Oct 30
Jian Ibrahim
W15 Sharm ElSheikh · Round of 32
Oct 29
Junhan Zhang
W15 Luan · 2nd Round
Jul 16
Juliet Jia Wen Zhang
Luan 4 ITF · Round of 16
Jul 16
Liuyan An
W15 Luan · 1st Round
Jul 14
Seo Yun Choi
W15 Luan · 1st Round
Jul 8
Salakthip Ounmuang
Luan 2 ITF
Jul 7
Riko Kikawada
Luan 2 ITF
Jul 6
Zixuan Zeng
Luan 2 ITF
Jul 5
Yui Ohwaki
Maanshan 6 ITF
Jun 30
Win rate
Matches, sets and games won · Last 12 months · 7–15 matches
| Metric | Ziatdinova | Kosaka |
|---|---|---|
| Matches won | 29% | 40% |
| Sets won | 27% | 49% |
| Games won | 43% | 50% |
Record by tier
Head-to-head record by tournament tier
| Stage | Ziatdinova | Kosaka |
|---|---|---|
| ITF W | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Ziatdinova | Kosaka |
|---|---|---|
| Hard | 0 | 1 |
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