Colin Sinclair vs Gauthier Onclin Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
C. Sinclair vs G. Onclin

Colin Sinclair

AUS

1

Win

Played

0

Win

Age

6'2" (188 cm)

Height

762

C. Rank

217

340

Best Rank

192

Total Titles

YTD Titles

Career Money

$311.4K

Right-Handed

Plays

Gauthier Onclin

BEL

1

Win

Played

0

Win

Age

6'2" (188 cm)

Height

762

C. Rank

217

340

Best Rank

192

Total Titles

YTD Titles

Career Money

$311.4K

Right-Handed

Plays

Head-to-head: Sinclair 1 - 0 Onclin

They have played 3 sets in total, with Colin Sinclair winning 2 and Gauthier Onclin winning 1. The last match between Colin Sinclair and Gauthier Onclin was at the M25 Eupen, 09-09-2021, Round: R2, Surface: Clay, with Colin Sinclair getting the victory 2-6 6-2 6-4.

Players	Head To Head Match Wins
Sinclair	1
Onclin	0

Last 1 H2H Matches:

(R2) M25 Eupen(09-09-21)

Stats

Colin Sinclair

Gauthier Onclin

C. Sinclair vs G. Onclin H2H Profile

C. Sinclair	Stats	G. Onclin
$0	Career Prize Money	$311,375
58.24% (265-190)	Career Total W/L	61.13% (239-152)
1	Clay	0
3	Titles	13
1	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0.00% (0-1)

C. Sinclair vs G. Onclin Match Preview:

Second serve performance recent form: In recent form (last 6 months), Colin Sinclair has won 47.27% of points on their second serve, while Gauthier Onclin has won 44.52%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Colin Sinclair, in recent form, has won 45.83% of their opponent's second serve points, while Gauthier Onclin has won 46.54%. The same stats for first serve returns are 22.54% and 30.44% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Colin Sinclair has saved 60.00% of breakpoints in recent form, whereas Gauthier Onclin has saved 52.33% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Colin Sinclair has won 50.98% of matches played (W/L 26/25), with Gauthier Onclin winning 57.97% (W/L 40/29) that gives us an overall head-to head prediction overview.
Best surface: Colin Sinclair has their best career surface win % on Clay, winning 63% (W/L 92/53), and worse career win % on Grass, winning 33% (W/L 1/2). Gauthier Onclin has their best career surface win % on Hard, winning 63% (W/L 85/52), and worse career win % on Grass, winning 40% (W/L 2/3).
Player level: In the last year, Colin Sinclair has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 53.49% of matches (W/L 23/20), where as Gauthier Onclin has played most of their matches on the Challengers/ITF tournaments > $10K, winning 42.86% of matches (W/L 15/20). When comparing stats between players to predict the favorite, it is of course all relative to the event level they have been playing at.
Direct H2H matches: They have played 1 times before with Colin Sinclair winning 1 times and Gauthier Onclin being victorious 0 times. They have played 3 sets in total, with Colin Sinclair winning 2 and Gauthier Onclin winning 1.
The last match between Colin Sinclair and Gauthier Onclin was at the M25 Eupen, 09-09-2021, Round: R2, Surface: Clay, with Colin Sinclair getting the victory 2-6 6-2 6-4.
Head to head match duration: In past head to head matches, the average match time between these players has been 2:4:0.
Opponent quality stats: Over the last 12 months, Colin Sinclair has played against opponents with an average rank of 460.73 while Gauthier Onclin has played against players with an average rank of 269.46.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Colin Sinclair has won 52% of deciding sets over the last 12 months, while Gauthier Onclin has won 76% in all matches played on tour.
Break point conversion: In recent form, Colin Sinclair has converted 30.00% of breakpoint opportunities, and Gauthier Onclin has converted 32.29% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Colin Sinclair vs Gauthier Onclin Editorial Preview By TennisTipster88.

C. Sinclair vs G. Onclin H2H Stats Used In Our Predictions

C. Sinclair	Stats	G. Onclin
1	H2H Matches Won	0
2	Sets Won	1
14	Games Won	12
9	Aces (Total)	2
2	Total Double Faults	4
2:4:0	Average Match Time	2:4:0
66% (53/80)	1st Serve %	67% (52/78)
66% (35/53)	1st Serve Win %	58% (30/52)
52% (14/27)	2nd Serve Win %	58% (15/26)
50% (4/8)	Break Pts Won %	60% (3/5)
42% (33/78)	Return Points Win %	39% (31/80)
100% (1/1)	Best‑of‑3 Win %	0% (0/1)
100% (1/1)	Deciding Set Win %	0% (0/1)
0% (0/0)	1st Set Won, Won Match	0% (0/1)
0% (0/0)	1st Set Won, Lost Match	100% (1/1)
100% (1/1)	1st Set Lost, Won Match	0% (0/0)

Recent Performance Stats

C. Sinclair Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Brisbane 3 Challenger - 10-11-2025
Q1 Hayden JonesH. Jones	L	7-6(5) 7-6(5)	Stats
M25 Brisbane - 27-10-2025
R1 Yuichiro InuiY. Inui	L	4-6 7-6(5) 6-4	Stats
M25 Brisbane - 20-10-2025
R1 Alexander KlintcharovA. Klintcharov	L	6-4 6-4	Stats
M25 Perth - 06-10-2025
QF Marc PolmansM. Polmans	L	7-6(4) 7-6(3)	Stats
R2 Dane SweenyD. Sweeny	W	2-6 7-6(5) 6-4	Stats

View All

G. Onclin Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Helsinki Challenger - 03-11-2025
R1 Otto VirtanenO. Virtanen	L	6-1 7-6(6)	Stats
Monastir Challenger - 27-10-2025
R1 Sergio Callejon HernandoS. Callejon	L	6-3 6-3	Stats
Hamburg Challenger - 20-10-2025
R1 Henri SquireH. Squire	L	6-4 6-0	Stats
European Open - Brussels - 13-10-2025
Q1 Alexander BlockxA. Blockx	L	6-3 6-4	Stats
Shanghai Rolex Masters - Shanghai - 29-09-2025
Q3 August HolmgrenA. Holmgren	L	6-4 7-6(3)	Stats

View All

C. Sinclair vs G. Onclin Stats Breakdown Vs All H2H Opponents

C. Sinclair	Stats	G. Onclin
58.24% (265/190)	YTD Win/Loss	61.13% (239/152)
56.63% (594/455)	Sets Win/Loss	58.48% (524/372)
52.79% (5412/4840)	Games Win/Loss	53.23% (4431/3893)
56.69% (161/123)	Hard Win/Loss	62.04% (85/52)
63.45% (92/53)	Clay Win/Loss	60.92% (106/68)
47.83% (11/12)	Indoor Hard W/L	61.33% (46/29)
33.33% (1/2)	Grass Win/Loss	40.00% (2/3)
0.41	Aces Per Game	0.14
2038	Aces Total	558
0.13	Double Faults Per Game	0.25
644	Total Double Faults	1023
1:24:33	Average Match Time	1:42:24
215.78	Average Opponent Rank	434.12
66% (17071/25991)	1st Serve %	61% (16033/26474)
70% (11982/17071)	1st Serve Win %	66% (10540/16033)
51% (4507/8920)	2nd Serve Win %	49% (5156/10440)
42% (934/2241)	Break Points Won % (Total)	46% (1445/3134)
38% (9677/25689)	Return Points Win %	44% (11875/27026)
0% (0/0)	Slam W/L	46.67% (7/8)
0.00% (0/1)	Masters W/L	50.00% (1/1)
0.00% (0/1)	Cups W/L	0% (0/0)
0.00% (0/1)	Main Tour W/L	33.33% (2/4)
46.30% (50/58)	Challenger W/L	50.39% (64/63)
62.50% (215/129)	Futures W/L	68.46% (165/76)
58% (257/445)	Best of 3 Sets Win %	61% (238/388)
67% (2/3)	Best of 5 Sets Win %	50% (1/2)
46% (80/173)	Tiebreaks Win % (Total)	55% (53/97)
52% (75/144)	Deciding Set Win %	60% (67/112)
85% (266/226)	1st Set Won, Won Match	89% (228/204)
15% (266/40)	1st Set Won, Lost Match	11% (228/24)
21% (188/39)	1st Set Lost, Won Match	21% (163/35)