If they played today
Kayla Day
65%
Sets 2–0
Medium confidence
Hanyu Guo
35%
2–0
36%
2–1
29%
1–2
19%
0–2
16%
Chance of a third set 48%
Current ratings and the head-to-head record, for a best-of-three match with no tournament attached. For the forecast of a scheduled match, open the match page.
Side by side
| Kayla Day | Hanyu Guo | |
| 1589 | Rating | 1485 |
| 11–7 (61%) | Win-loss | 4–5 (44%) |
| 18 | ATP/WTA matches | 9 |
| WLLWL | Recent form | WLLLL |
All meetings (1)
| 2026-08-01 | Kayla Day | 2–0 7-5, 6-2 | Toronto |
Last five: Kayla Day
| 2026-09-17 | L | Liudmila Samsonova | 1-2 | Guadalajara |
| 2026-09-14 | W | Elvina Kalieva | 2-0 | Guadalajara |
| 2026-08-24 | L | Julieta Pareja | 0-2 | US Open, Women |
| 2026-08-15 | L | Shuai Zhang | 1-2 | Cincinnati |
| 2026-08-12 | W | Yue Yuan | 2-1 | Cincinnati |
Last five: Hanyu Guo
| 2026-08-25 | L | Yue Yuan | 0-2 | US Open, Women |
| 2026-08-01 | L | Kayla Day | 0-2 | Toronto |
| 2026-06-23 | L | Xiyu Wang | 0-2 | Wimbledon |
| 2026-06-07 | W | Elsa Jacquemot | 2-1 | London |
| 2026-06-07 | L | Maddison Inglis | 1-2 | London |