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Billy Harris v Gabriel Diallo: stats compared | Lineball
Diallo wins on aces. Harris’s case rests on break points saved %, but it isn’t enough to swing it. ATP Tour career: Harris 32 matches, Diallo 103 matches.
Diallo averages 8.3 aces a match to Harris’ 5.9 (41% more).
Diallo has the better break points converted %: 38.8 to Harris’s 29.8.
Harris averages 2.2 double faults a match to Diallo’s 2.8.
Winners’ edge: Diallo’s team won 47%, Harris’s team won 38% of the matches they played.
Longevity: Diallo has 103 matches across 4 seasons, Harris 32 in 4 — the averages matter more than the totals here.
Not every stat was recorded for every match (titles): those averages use only the games that logged them.
Built only from games in our stats database. A read of the numbers, not a tip.
Tale of the tape
Per game. Totals and best single game underneath.
–Titlesper game0.01 total · best 1
65.2First serve in %67.5
70.6First-serve points won %72.1
63.8Break points saved %60.0
32.1Return points won %34.6
5.9189 total · best 10Acesper game8.3858 total · best 26
12384 total · best 19
Head to head
12 matches since 20241
Grass · 2 matchesHarris 1Diallo 1
Last meetings
16 June 2025 · London · Round of 32 · GrassDiallo won 6-1 3-6 6-4
15 July 2024 · Newport · Round of 32 · GrassHarris won 7-6(4) 7-5
Last 10 games
Titles, oldest to newest.
Harris––––––––––
Diallo––––––––––
Games wonper game
12.81,321 total · best 30
29.8Break points converted %38.8
40.7Sets won %47.7
47.0Games won %49.6
–Finalsper game0.02 total · best 1
1.033 total · best 3Sets wonper game1.2123 total · best 3
1.548 total · best 3Sets lostper game · lower is better1.3135 total · best 3
13.5433 total · best 23Games lostper game · lower is better13.01,342 total · best 30
0.517 total · best 2Tiebreaksper game0.555 total · best 3
2.269 total · best 8Double faultsper game · lower is better2.8283 total · best 10