ATP · Head to Head
Rei Sakamoto vs Billy Harris
In short
Billy Harris leads their head-to-head 1–0. Most recent meeting: Quarterfinal – Seoul Challenger 2026, won by Billy Harris (3-0 ret.).
Head-to-head in numbers
Wins by category and stats from the scores.
| Rei Sakamoto | — | Billy Harris |
|---|---|---|
| 0 | Challenger 125 | 1 |
| 0 | Sets won | 0 |
| 0 | Tie-breaks won | 0 |
| 0 | Deciding sets won | 0 |
| 1 | Retirements | 0 |
All meetings
| Year | Tournament | Round | Winner | Score |
|---|---|---|---|---|
| 2026 | Seoul Challenger · Challenger 125 | Quarterfinal | Billy Harris | 3-0 ret. |
Based on tournaments synced by youaretennis.com: the history grows over time.
Comparison
| Rei Sakamoto | — | Billy Harris |
|---|---|---|
| 125 | Ranking | 252 |
| 469 | Points | 218 |
| 20.4 | Age | 31.8 |
| Country | ||
| 0-2 | 2025 record | 3-8 |
| 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.
Rei Sakamoto
- L
vs Billy Harris · 3-0 ret.
Seoul Challenger · Quarterfinal · 2026
- W
vs Zhizhen Zhang · 6-0 6-4
Seoul Challenger · Round of 16 · 2026
- W
vs Kasidit Samrej · 6-3 6-4
Seoul Challenger · R32 · 2026
- L
vs Karen Khachanov · 6-2 6-4
Almaty Open - Almaty · R32 · 2026
- L
vs Alex De Minaur · 7-6(6) 6-4
Shanghai Rolex Masters - Shanghai · R32 · 2026
Billy Harris
- L
vs Terence Atmane · 6-3 6-1
Seoul Challenger · Semifinal · 2026
- W
vs Rei Sakamoto · 3-0 ret.
Seoul Challenger · Quarterfinal · 2026
- W
vs Aleksandar Vukic · 6-2 6-4
Seoul Challenger · Round of 16 · 2026
- L
vs Felix Balshaw · 7-6(6) 3-6 7-6(3)
Mouilleron-Le-Captif Challenger · R32 · 2026
- L
vs Murphy Cassone · 7-6(3) 6-4
St. Tropez Challenger · Round of 16 · 2026
