If they played today
Gabriel Diallo
47%
Sets 0–2
Thin data
Billy Harris
53%
2–0
23%
2–1
24%
1–2
26%
0–2
27%
Chance of a third set 50%
Current ratings and the head-to-head record, for a best-of-three match with no tournament attached. For the forecast of a scheduled match, open the match page.
Side by side
| Gabriel Diallo | Billy Harris | |
| 1521 (#338) | Rating | 1552 (#266) |
| 24–27 (47%) | Win-loss | 25–21 (54%) |
| 51 | ATP/WTA matches | 28 |
| LLLWL | Recent form | WLLLW |
All meetings (1)
| 2025-06-17 | Gabriel Diallo | 2–0 | ATP Singles: Queen's Club |
Last five: Gabriel Diallo
| 2026-08-05 | L | Luciano Darderi | 0-1 | Montreal |
| 2026-08-03 | W | Kyrian Jacquet | 2-1 | Montreal |
| 2026-07-28 | L | Tristan Boyer | 0-2 | Los Cabos |
| 2026-07-02 | L | Lorenzo Sonego | 2-3 | Wimbledon |
| 2026-06-25 | L | Jack Draper | 0-2 | Eastbourne |
Full record for Gabriel Diallo →
Last five: Billy Harris
| 2026-08-24 | W | Gonzalo Bueno | 2-0 | US Open, Men |
| 2026-08-12 | L | Kyrian Jacquet | 0-2 | Cincinnati |
| 2026-07-25 | L | Abdullah Shelbayh | 0-2 | Washington |
| 2026-06-30 | L | Karen Khachanov | 1-3 | Wimbledon |
| 2026-06-25 | W | Yi Zhou | 3-1 | Wimbledon |