By surface
| Surface | Stefanos Tsitsipas | Billy Harris |
|---|---|---|
| Hard | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-01-05 | ATP | United Cup | Round Robin | Hard | Stefanos Tsitsipas | 4-6 | 6-1 | 7-64 |
| Surface | Stefanos Tsitsipas | Billy Harris |
|---|---|---|
| Hard | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-01-05 | ATP | United Cup | Round Robin | Hard | Stefanos Tsitsipas | 4-6 | 6-1 | 7-64 |