In short
Keegan Smith leads their head-to-head 1–0. Most recent meeting: Round of 16 – Guangzhou Challenger 2026, won by Keegan Smith (3-6 6-4 7-6(3)).
Head-to-head in numbers
Wins by category and stats from the scores.
| Fajing Sun | — | Keegan Smith |
|---|---|---|
| 0 | Challenger 75 | 1 |
| 1 | Sets won | 2 |
| 0 | Tie-breaks won | 1 |
| 0 | Deciding sets won | 1 |
All meetings
| Year | Tournament | Round | Winner | Score |
|---|---|---|---|---|
| 2026 | Guangzhou Challenger · Challenger 75 | Round of 16 | Keegan Smith | 3-6 6-4 7-6(3) |
Based on tournaments synced by youaretennis.com: the history grows over time.
Comparison
| Fajing Sun | — | Keegan Smith |
|---|---|---|
| 292 | Ranking | 185 |
| 187 | Points | 307 |
| 30.1 | Age | 28.4 |
 China | Country |  United States |
| 0-1 | 2025 record | — |
| 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.
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
Keegan Smith
- L
vs Yu Hsiou Hsu · 4-6 7-5 7-6(7)
Ningboo Challenger · R32 · 2026
- L
vs Tristan Schoolkate · 7-6(4) 6-3
Guangzhou Challenger · Quarterfinal · 2026
- W
vs Fajing Sun · 3-6 6-4 7-6(3)
Guangzhou Challenger · Round of 16 · 2026
- L
vs Martin Landaluce · 3-6 6-2 6-3
Jinan Challenger · Quarterfinal · 2026
- W
vs Vit Kopriva · 6-3 3-6 6-3
Jinan Challenger · Round of 16 · 2026