Gabriel Diallo vs Billy Harris Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Wojtek Kolan

Published on 17 Jun at 06:23 PM UTC

HEAD TO HEAD

G. Diallo vs B. Harris

Gabriel Diallo
Gabriel Diallo

Flag CAN CAN

w
l
w
w
l
w
l
l
w
l
Billy Harris
Billy Harris

Flag GBR GBR

w
w
l
w
l
w
l
l
w
l

1

Win

2

Played

1

Win

24
Age
30
-
Height
6'3" (191 cm)
42
C. Rank
127
33
Best Rank
101
1
Total Titles
0
1
YTD Titles
0
$1.7M
Career Money
$331.7K
-
Plays
Right-Handed

Head-to-head: Diallo 1 - 1 Harris

They have played 5 sets in total, with Gabriel Diallo winning 2 and Billy Harris winning 3. The last match between Gabriel Diallo and Billy Harris was at the cinch Championships - London, 17-06-2025, Round: R1, Surface: Grass, with Gabriel Diallo getting the victory 6-1 3-6 6-4.

PlayersHead To Head Match Wins
Diallo1
Harris1
Last 2 H2H Matches:

(R1cinch Championships - London(06-17-25)

Grass
CAN Flag
Gabriel Diallo
6
3
6
GBR Flag
Billy Harris
1
6
4

(R1Infosys Hall of Fame Open - Newport(07-16-24)

Grass
GBR Flag
Billy Harris
7
7
CAN Flag
Gabriel Diallo
6
5

G. Diallo vs B. Harris H2H Profile

Stats
$1,722,880Career Prize Money$331,680
61.82% (170-105)Career Total W/L60.20% (431-285)
1Grass1
6Titles6
1Total H2H Matches1
54.72% (29-24)YTD Win/Loss18.75% (3-13)
1YTD Titles0

G. Diallo vs B. Harris Match Preview:

  • Question: How does second serve performance compare between these players in recent months? Answer: Diallo has a slight edge, winning 49% of points on their second serve compared to Harris's 44.83%.
  • Question: Who has the stronger return game on opponents' second serves recently? Answer: Harris shows better return stats, winning 45.61% of these points, compared to Diallo's 40.16%.
  • Regarding first serve returns, Diallo outperforms Harris with a 25.52% success rate versus Harris’s 23.73%.
  • Under pressure, Diallo is slightly more effective, saving 56.87% of breakpoints compared to Harris's 54.71%.
  • Overall match performance in the last year reveals Diallo is stronger, winning 65.48% of matches, whereas Harris has secured 48.15%.
  • Surface strengths indicate Harris excels on grass with a 63% win rate, while Diallo fares best on indoor hard courts, with a 66% victory rate.
  • In tournaments over $10K, Diallo has a superior win percentage at 76% compared to Harris's 52.78%.
  • In direct head-to-head matchups, Harris leads with one win and no losses against Diallo.
  • Both players have never yet entered a deciding set when playing each other, which could be crucial if this match is tightly contested.
  • Harris has had marginally tougher opponents with an average rank of 199.67, while Diallo's opponents have an average rank of 210.14.
  • In breakpoint conversion, Harris has been more successful recently, converting 29.44% of opportunities, compared to Diallo's 23.68%.

Editorial Prediction (June 17, 2025, UTC):

Both players have demonstrated distinct strengths in recent form, with Diallo slightly outperforming on second serves, while Harris shows superior skills in return games, particularly on opponents' second serves.

When under pressure, Diallo appears slightly more dependable, saving a higher percentage of breakpoints than Harris. However, in terms of head-to-head competition, Harris holds the upper hand with a historical victory over Diallo.

Considering surface preference, Harris seems to possess an advantage on grass, which might influence the match if surface conditions play a significant role. Moreover, Harris's ability to convert breakpoints more efficiently than Diallo could prove crucial in tight situations.

Although Diallo boasts a stronger overall win/loss record in the last year, Harris's past success in head-to-head matchups and better recent return and breakpoint conversion stats suggest that Harris might have the edge in their upcoming contest.

Prediction: Harris is likely to secure a victory in this upcoming match, building on past successes and current performance metrics.

Gabriel Diallo vs Billy Harris Editorial Preview By TennisTipster88.

G. Diallo vs B. Harris H2H Stats Used In Our Predictions

Stats
1H2H Matches Won1
2Sets Won3
26Games Won25
18Aces (Total)14
7Total Double Faults4
2:8:13Average Match Time2:8:13
56% (99/176)1st Serve %64% (108/169)
77% (76/99)1st Serve Win %68% (73/108)
48% (37/77)2nd Serve Win %59% (36/61)
33% (5/15)Break Pts Won %29% (4/14)
36% (60/169)Return Points Win %36% (63/176)
50% (1/2)Best‑of‑3 Win %50% (1/2)
100% (1/1)Deciding Set Win %0% (0/1)
100% (1/1)1st Set Won, Won Match100% (1/1)
0% (0/1)1st Set Won, Lost Match0% (0/1)
0% (0/1)1st Set Lost, Won Match0% (0/1)

Recent Performance Stats

2nd Serve Win %: Diallo 52%, Harris 50%.
Opp 2nd Serve Pts Won: Diallo 47%, Harris 50%.
Break Points Saved %: Diallo 62%, Harris 62%.

G. Diallo Recent Matches Played

OPPONENTRESULTSCOREH2H
I.hardRolex Paris Masters - Paris - 27-10-2025

R2

AUSA. De
L
7-6(8) 4-6 6-3

R1

NEDT. Griekspoor
W
6-3 6-4
I.hardSwiss Indoors Basel - Basel - 20-10-2025

R1

CANF. Auger
L
6-2 7-5
I.hardAlmaty Open - Almaty - 13-10-2025

R2

AUSJ. Duckworth
L
7-6(3) 6-7(3) 6-4

R1

KAZA. Omarkhanov
W
6-3 6-1

B. Harris Recent Matches Played

OPPONENTRESULTSCOREH2H
I.hardBratislava 2 Challenger - 27-10-2025

R2

BELA. Blockx
L
6-1 6-1

R1

GBRJ. Choinski
W
6-2 6-3
I.hardAlmaty Open - Almaty - 13-10-2025

Q1

SRBM. Topo
L
7-6(3) 6-4
HardJinan Challenger - 06-10-2025

R2

AUSB. Tomic
L
6-4 6-7(4) 6-2

R1

JPNY. Watanuki
W
1-6 6-3 6-2
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G. Diallo vs B. Harris Stats Breakdown Vs All H2H Opponents

Stats
61.82% (170/105)YTD Win/Loss60.20% (431/285)
59.04% (392/272)Sets Win/Loss57.70% (967/709)
52.95% (3532/3138)Games Win/Loss53.05% (8517/7539)
62.77% (86/51)Hard Win/Loss62.26% (193/117)
53.13% (17/15)Clay Win/Loss59.46% (154/105)
64.94% (50/27)Indoor Hard W/L54.95% (50/41)
58.62% (17/12)Grass Win/Loss60.71% (34/22)
0.62Aces Per Game0.35
2033Aces Total2728
0.23Double Faults Per Game0.24
739Total Double Faults1922
1:44:25Average Match Time1:26:28
243.56Average Opponent Rank406.67
67% (13020/19469)1st Serve %61% (25299/41423)
73% (9459/13021)1st Serve Win %70% (17774/25299)
51% (3318/6449)2nd Serve Win %49% (7916/16123)
39% (662/1687)Break Points Won % (Total)43% (1697/3936)
37% (7421/19824)Return Points Win %39% (16380/41549)
57.14% (16/12)Slam W/L52.17% (12/11)
51.43% (18/17)Masters W/L38.46% (5/8)
54.55% (6/5)Cups W/L33.33% (1/2)
52.17% (24/22)Main Tour W/L50.00% (21/21)
65.49% (74/39)Challenger W/L56.70% (110/84)
76.19% (32/10)Futures W/L63.95% (282/159)
63% (163/259)Best of 3 Sets Win %60% (427/707)
46% (6/13)Best of 5 Sets Win %20% (1/5)
55% (73/133)Tiebreaks Win % (Total)49% (115/233)
57% (54/95)Deciding Set Win %56% (136/242)
86% (160/138)1st Set Won, Won Match86% (414/358)
14% (160/22)1st Set Won, Lost Match14% (414/56)
28% (115/32)1st Set Lost, Won Match24% (302/73)

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