Billy Harris vs Gabriel Diallo Head to Head Tennis Stats and Match Analysis

Billy Harris and Gabriel Diallo have met 2 times in professional competition, with the series tied at 1-1. Their most recent encounter was in June 2025 at London, where Gabriel Diallo prevailed on grass court 6-1 3-6 6-4.

Billy Harris: Against top 50 players in the last 52 weeks, Billy Harris holds a 0-9 record (0.0%). Throughout his career, he has competed against top 50 15 times, winning 3 (20.0%). Billy Harris has lost his last 4 matches. Over the past 10 matches, he holds a 3-7 record. Over the past 52 weeks, Billy Harris has posted a 42-45 record (48.3% win rate). His last match was 6 weeks ago. Over his career at ATP level, Billy Harris holds a record of 9-7 (56.2%) on grass, 1-10 (9.1%) on hard, and 0-1 on clay. At Challenger/ITF level: 155-117 (57.0%) on hard, 103-88 (53.9%) on clay, and 18-11 (62.1%) on grass. In the last 52 weeks: 3-3 (50.0%) on grass, 0-7 on hard, and 0-1 on clay at ATP level. 25-14 (64.1%) on hard, 1-4 (20.0%) on clay, and 1-2 (33.3%) on grass at Challenger/ITF level. Billy Harris has won six titles at Challenger/ITF level (three on hard and three on clay). Billy Harris serves an average of 6.2 aces per match in the last 52 weeks, consistent with his career average of 5.9.

Gabriel Diallo: Against opponents ranked outside top 100 players in the last 52 weeks, Gabriel Diallo holds a 11-4 record (73.3%). Throughout his career, he has competed against opponents ranked outside top 100 179 times, winning 119 (66.5%). Over the past 10 matches, he holds a 5-5 record. Over the past 52 weeks, Gabriel Diallo has posted a 36-29 record (55.4% win rate). His last match was 2 months ago. Over his career at ATP level, Gabriel Diallo holds a record of 19-24 (44.2%) on hard, 9-5 (64.3%) on grass, and 6-5 (54.5%) on clay. In the last 52 weeks: 12-16 (42.9%) on hard, 9-3 (75.0%) on grass, and 6-4 (60.0%) on clay at ATP level. Gabriel Diallo has won one ATP tour-level title on grass. He has also won five titles at Challenger/ITF level (all on hard). Gabriel Diallo serves an average of 8.6 aces per match in the last 52 weeks, consistent with his career average of 8.3.