In short
Petr Bar Biryukov leads their head-to-head 1–0. Most recent meeting: Round of 16 – Ningboo Challenger 2026, won by Petr Bar Biryukov (5-7 6-3 6-4).
Head-to-head in numbers
Wins by category and stats from the scores.
| Petr Bar Biryukov | — | Fajing Sun |
|---|---|---|
| 1 | Challenger 75 | 0 |
| 2 | Sets won | 1 |
| 0 | Tie-breaks won | 0 |
| 1 | Deciding sets won | 0 |
All meetings
| Year | Tournament | Round | Winner | Score |
|---|---|---|---|---|
| 2026 | Ningboo Challenger · Challenger 75 | Round of 16 | Petr Bar Biryukov | 5-7 6-3 6-4 |
Based on tournaments synced by youaretennis.com: the history grows over time.
Comparison
| Petr Bar Biryukov | — | Fajing Sun |
|---|---|---|
| 331 | Ranking | 292 |
| 165 | Points | 187 |
| 24.7 | Age | 30.1 |
 Russia | Country |  China |
| — | 2025 record | 0-1 |
| 0 | 2025 titles | 0 |
| 0 | Titles 2021-2025 | 0 |
Records and titles: Grand Slams, Masters 1000, ATP 500 and 250 (no ATP Finals or Challengers).
Recent form
The last 5 matches played.
Petr Bar Biryukov
- W
vs Liam Broady · 6-4 1-6 6-3
Ningboo Challenger · Semifinal · 2026
- W
vs Jie Cui · 4-6 6-4 6-1
Ningboo Challenger · Quarterfinal · 2026
- W
vs Fajing Sun · 5-7 6-3 6-4
Ningboo Challenger · Round of 16 · 2026
- W
vs Semen Pankin · 6-7(1) 7-6(5) 6-4
Ningboo Challenger · R32 · 2026
- L
vs Dane Sweeny · 6-4 6-1
Jingshan Challenger · Round of 16 · 2026
Fajing Sun
- L
vs Petr Bar Biryukov · 5-7 6-3 6-4
Ningboo Challenger · Round of 16 · 2026
- W
vs Hayato Matsuoka · 4-6 6-3 7-5
Ningboo Challenger · R32 · 2026
- L
vs Keegan Smith · 3-6 6-4 7-6(3)
Guangzhou Challenger · Round of 16 · 2026
- L
vs Jie Cui · 6-3 7-5
Jinan Challenger · R32 · 2026
- W
vs Kasidit Samrej · 6-4 7-5
Wuning 3 Challenger · Round of 16 · 2026