Billy Harris and Gauthier Onclin will square off in the quarter of the Guangzhou Challenger for the 1^st time in their career. They are scheduled to compete on Friday at 8:00 pm on COURT 1. In the following lines you can find the head to head analysis and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Billy Harris who should win in 3 sets.

As per the initial odds, Billy Harris is the pick to win this match.
Billy Harris -> 1.58
Gauthier Onclin -> 2.26

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Prediction and head to head Billy Harris vs. Gauthier Onclin

There is no head to head record between Billy Harris and Gauthier Onclin since this will be the first time that they will face off in the main tour.

Billy Harris

Ranked no. 136, Harris got to the quarter after beating Denis Yevseyev 6-4 4-0 ret. and Arthur Gea 7-5 7-6(6).

In the 2^nd round, Billy had a good straight sets win against Gea (7-5 7-6⁶).During the match, Harris scored less points (1) than Gea. In fact, the world no. 136 won 88 points vs Gea’s. That means that Harris was more focused during the important points. Billy was quite aggressive to blast 38 winners.

Regarding the service games, Harris made 8 aces and he committed only 4 double faults. Billy Harris lost the serve twice and he saved 7 break points. Furthermore, Harris put 56% of his first serves in, winning 72% (38/53) of the points behind his 1st serve and 48% (20/42) on the 2nd serve. The Brit broke Gea 3 times after converting 50% of his break points (3/6).

Harris has a solid win-loss record in the last 10 years having won 60% of his matches (390-260). 28-17 on hard in 2025. In connection with his performance on the same surface of this competition, Harris has an overall 177-108 record in the last years on hard.

His best result of the current year was winning the title the Cassis Challenger where he overcame Daniil Glinka in the final 3-6 7-5 6-3.

Harris has a composed 35-34 win-loss record in 2025, 28-17 on hard (See FULL STATS).

Previously in the Guangzhou Challenger

The Brit has never competed in this tournament before.

Gauthier Onclin

Ranked no. 215, the Belgian reached the quarter after defeating Ilia Simakin 6-2 6-4

and James McCabe 6-1 4-1 ret..

In the 2^nd round against McCabe, Gauthier had a free pass after McCabe retired on a 6-1 4-1 . scoreline.

Gauthier’s best result of the season was getting to the final in M25 Santa Margherita di Pula.

Onclin has an aggregate 25-20 win-loss record in 2025, 5-4 on hard (See FULL STATS).

H2H Performance in the tournament (main draw)

Matches, sets, games and points

Points	Harris	Onclin
Match played	2	2
Tot Set	5	5
Tot Games	39	30
Pts	145-125	127-88
Total Points	270	215
Winners	57	49
%Winners	39%	39%

Both Harris and Onclin played 2 matches. Both players have not surrendered a single set in this event so far. Talking about their workload, Harris and Onclin have played the same amount of sets 5. However, Harris played 9 games more than Onclin. Billy scored 57 winners (39% of the total points). On the other side, The Belgian managed to score 49 winners (39%).

Serve Performance

Serve	Harris	Onclin
Aces	17	7
Avg per match	8.5	3.5
1st in	75/128	66/97
%1st in	59%	68%
1st pts	57/75	49/66
%1st pts	76%	74%
2nd pts	29/53	19/31
%2nd pts	55%	61%

Harris blasted 17 aces (8.5 per match). Onclin managed to score 7 aces (3.5 per match). Harris won 76% points on his first serve. He pretty effective on his second serve to win 55% of the points. On the other side, Onclin won 74% of the points behind his first serve. He had a solid display on his second serve to win 61% of the points.

How they played the important points

Breaks	Harris	Onclin
Won	6	7
Converted	6/15	7/18
% Converted	40%	39%
Conceded	9	6
Saved	7	6
% Saved	78%	100%
Times Broken	2	0

Billy broke his opponents 6 times with a 40% conversion rate. The Brit dropped his serve twice and he saved 78% of the break points that he conceded. The Belgian broke his opponents 7 times with a 39% conversion rate. Onclin was rock solid on his serve as he has never conceded a single service game after saving 6 break points.

Harris
	R1 Yevseyev	R2 Gea	Total
Score	6-4 4-0 ret.	7-5 7-66
Tot Set	2	2	4
Tot Games	14	25	39
pts	57-36	88-89	145-125
Total points	93	177	270
Winners	19	38	57
%Winners	33%	43%	39%
SERVE
Aces	9	8	17
Double Faults	0	4	4
1st in	22/33	53/95	75/128
% 1st in	67%	56%	59%
1st pts	19/22	38/53	57/75
% 1st pts	86%	72%	76%
2nd pts	9/11	20/42	29/53
% 2nd pts	82%	48%	55%
Breaks
Won	3	3	6
Converted	3/9	3/6	6/15
Converted %	33%	50%	40%
Conceded	0	9	9
Saved	0/0	7/9	7
Saved %	–	78%	39%
Times Broken	0	2	2

Onclin
	R1 Simakin	R2 McCabe	Total
Score	6-2 6-4	6-1 4-1 ret.
Tot Set	2	2	4
Tot Games	18	12	30
pts	76-60	51-28	127-88
Total points	136	79	215
Winners	31	18	49
%Winners	41%	35%	39%
SERVE
Aces	5	2	7
Double Faults	1	0	1
1st in	40/65	26/32	66/97
% 1st in	62%	81%	68%
1st pts	31/40	18/26	49/66
% 1st pts	78%	69%	74%
2nd pts	13/25	6/6	19/31
% 2nd pts	52%	100%	61%
Breaks
Won	3	4	7
Converted	3/12	4/6	7/18
Converted %	25%	67%	39%
Conceded	6	0	6
Saved	6/6	0/0	6
Saved %	100%	–	50%
Times Broken	0	0	0

Upcoming matches in the draw

• Daniel EvansEvans – Juan Manuel CerundoloManuel Cerundolo (0-0) – H2H and prediction
• Christopher O ConnellO Connell – (0-0) – H2H and prediction
• Billy HarrisHarris – Gauthier OnclinOnclin (0-0) – H2H and prediction