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Head to head
Two players' matches against each other and together, and their chances if they met now.
Winning margins
Over their 7 matches against each other with a score (not walkovers), all disciplines.
| Measure | Zakhar Petrina | Kayalvizhi Kumaran |
|---|---|---|
| Matches won | 4 | 3 |
| Sets won | 8 | 6 |
| Points won | 25652.4% | 23347.6% |
| Average winning margin | 15.3 points | 12.7 points |
| Biggest win | 21-18, 21-7+17 points · 31 Aug 2024 | 21-3, 21-19+20 points · 1 Mar 2025 |
0 of 7 matches went to a deciding set. Closest: Kayalvizhi Kumaran won 21-18, 21-15 (by 9 points) on 17 Jan 2026.
If they met now
Current ratings in each discipline both play, and Zakhar Petrina's chance of winning against Kayalvizhi Kumaran. In doubles, the chance is with equally rated partners: a pair's rating is the sum of its players'.
Men's singles
- Zakhar Petrina
- 1197 ±187
- #953 · peak 1197
- Kayalvizhi Kumaran
- 1255 ±165
- #811 · peak 1318
39% Zakhar PetrinaKayalvizhi Kumaran 61%
Met 7 times in men's singles: Zakhar Petrina won 4, lost 3.
Rating history
Rating at the end of each week
- Zakhar Petrina
- Kayalvizhi Kumaran
Matches against each other
From Zakhar Petrina's side, newest first
| Date | Opponent | Result | Win chance | Rating |
|---|---|---|---|---|
| 17 Jan 2026 | Kayalvizhi Kumaran 1275Klemetsrud KM 2026 (U11 A)T6981 49526 vs 48923 | Lost −918-21, 15-21 | 25% | 1125−3.4 |
| 4 Oct 2025 | Kayalvizhi Kumaran 1194Moss Mossetreffen 2025 (U11 A)T6985 49526 vs 48923 | Lost −916-21, 17-21 | 28% | 1068−4.0 |
| 1 Mar 2025 | Kayalvizhi Kumaran 1141Klemetsrud M. Backhand - Bygdøhus (U11 C)T6838 49526 vs 48923 | Lost −203-21, 19-21 | 33% | 1042−6.1 |
| 31 Aug 2024 | Kayalvizhi Kumaran 988Klemetsrud & Asker MahiSports Open (U11 C)T6845.2 48923 vs 49526 | Won +1721-18, 21-7 | 61% | 1049+6.0 |
| 31 Aug 2024 | Kayalvizhi Kumaran 986Klemetsrud & Asker MahiSports Open (U11 C)T6845 48923 vs 49526 | Won +1321-10, 21-19 | 58% | 1032+4.6 |
| 9 Mar 2024 | Kayalvizhi Kumaran 1048Klemetsrud Jørgen & Vegard - Bygdøhus (U9 A)T6740 48923 vs 49526 | Won +1421-13, 21-15 | 55% | 1080+5.3 |
| 3 Feb 2024 | Kayalvizhi Kumaran 1050Asker Asker Young Ones (U9 A)T6781 48923 vs 49526 | Won +1721-14, 21-11 | 50% | 1057+7.6 |