Tristan Boyer and Yannick Hanfmann will face off in the qualifications of the Boss Open for the 1^st time in their career. They are scheduled to compete on Sunday at 1:00 pm on COLOSSEUM. Here the head to head stats and relative prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Yannick Hanfmann who should win in 3 sets.

As per the initial odds, Yannick Hanfmann is the pick to win this match.
Yannick Hanfmann -> 1.56
Tristan Boyer -> 2.31

Click here to see the updated quotes and live streaming (only selected countries - USA excluded).

To be able to watch live streaming bet365, a funded account is required or you need to have placed a bet in the last 24 hours. 18+ BeGambleAware.

Here where top tennis events are broadcasted or streamed online (ATP, WTA).

At the challenger level, there will be free live streaming on Challenger TV.

 

Prediction and head to head Tristan Boyer vs. Yannick Hanfmann

There is no head to head record between Tristan Boyer and Yannick Hanfmann since this will be the first time that they will clash against each other in the main tour.

Tristan Boyer

Ranked no. 119, Tristan reached the qualifications after beating Duje Ajdukovic 6-7(5) 7-6(7) 7-6(5).

In the qualifications against Ajdukovic, Boyer recovered from a 1-set down deficit before winning (6-7⁵ 7-6⁷ 7-6⁵). During the match, Boyer and Ajdukovic scored the same amount of points (131). However, the world no. 119 was stronger during the important points and that was the most significant difference in the match. Tristan was very aggressive to blast 62 winners.

Regarding the service games, Boyer managed to score 16 aces and he committed only 3 double faults. Overall, Tristan Boyer was exceptionally effective on serve to win 76% (62/82) of his 1st serve and 63% (30/48) on the second serve. However, this didn’t prevent his to concede the serve once. Tristan broke Ajdukovic once after converting 9% of his break points (1/11).

Boyer has a winning record in the last 8 years having won 56% of his matches (140-111). 1-0 on grass in 2025. Talking about his performance on the same surface of this event, Boyer has a composed1-1 win-loss record in the last 8 years on grass.

The American has a compiled 12-15 win-loss record in 2025, 1-0 on grass (See FULL STATS).

Previously in Stuttgart

Tristan has never competed in this tournament before.

Yannick Hanfmann

Ranked no. 142, Hanfmann reached the qualifications after defeating Max Wiskandt 6-4 6-2.

In the qualifications, Hanfmann had a good straight sets win against Wiskandt (6-4 6-2). During the match Hanfmann scored 61 points vs Wiskandt’s 36. Yannick was very aggressive to blast 23 winners.

About the serving games, Hanfmann bagged 5 aces and he was extremely solid in conceding no double faults for the entire match. Overall, Yannick Hanfmann was exceptionally effective on serve to win 82% (23/28) of his 1st serve and 68% (13/19) on the second serve. However, this didn’t prevent his to concede the serve once. Yannick broke Wiskandt 4 times after converting 67% of his break points (4/6).

Yannick has a composed 12-13 win-loss record in 2025, 1-0 on grass (See FULL STATS).

Previously in Stuttgart

Previously, his best result was reaching the 2^nd round in 2017, 2021 and 2024. See his history.

H2H Performance in the tournament

Matches, sets, games and points

Points	Boyer	Hanfmann
Match played	1	1
Tot Set	3	2
Tot Games	39	18
Pts	131-131	61-36
Total Points	262	97
Winners	62	23
%Winners	47%	38%

Both Boyer and Hanfmann played 1 match. Also both players started their run from the qualifications.At the moment, Tristan Boyer surrendered 1 set while Yannick Hanfmann hasn’t conceded a set so far. Boyer has played 1 set more than Hanfmann (3 vs 2). Therefore, Boyer played 21 games more than Hanfmann. The American scored 62 winners (47% of the total points). On the other side, Hanfmann managed to score 23 winners (38%).

Serve Performance

Serve	Boyer	Hanfmann
Aces	16	5
Avg per match	16	5
1st in	82/130	28/47
%1st in	63%	60%
1st pts	62/82	23/28
%1st pts	76%	82%
2nd pts	30/48	13/19
%2nd pts	63%	68%

Boyer made 16 aces . Hanfmann blasted 5 aces . Boyer won 76% points on his first serve. He extremely effective on his second serve to win 63% of the points. On the other side, Hanfmann won 82% of the points on his first serve. He had a solid display on his second serve to win 68% of the points.

How they played the important points

Breaks	Boyer	Hanfmann
Won	1	4
Converted	1/11	4/6
% Converted	9%	67%
Conceded	7	3
Saved	6	2
% Saved	86%	67%
Times Broken	1	1

The American broke his opponent once with a 9% conversion rate. Tristan conceded his serve once and he saved 86% of the break points that he conceded. Hanfmann broke his opponent 4 times with a 67% conversion rate. The German conceded his serve once and he saved 67% of the break points that he conceded.

Boyer
	Q1 Ajdukovic	Total
Score	6-75 7-67 7-65
Tot Set	3	3
Tot Games	39	39
pts	131-131	131-131
Total points	262	262
Winners	62	62
%Winners	47%	47%
SERVE
Aces	16	16
Double Faults	3	3
1st in	82/130	82/130
% 1st in	63%	63%
1st pts	62/82	62/82
% 1st pts	76%	76%
2nd pts	30/48	30/48
% 2nd pts	63%	63%
Breaks
Won	1	1
Converted	1/11	1/11
Converted %	9%	9%
Conceded	7	7
Saved	6/7	6
Saved %	86%	86%
Times Broken	1	1

Hanfmann
	Q1 Wiskandt	Total
Score	6-4 6-2
Tot Set	2	2
Tot Games	18	18
pts	61-36	61-36
Total points	97	97
Winners	23	23
%Winners	38%	38%
SERVE
Aces	5	5
Double Faults	0	0
1st in	28/47	28/47
% 1st in	60%	60%
1st pts	23/28	23/28
% 1st pts	82%	82%
2nd pts	13/19	13/19
% 2nd pts	68%	68%
Breaks
Won	4	4
Converted	4/6	4/6
Converted %	67%	67%
Conceded	3	3
Saved	2/3	2
Saved %	67%	67%
Times Broken	1	1

Upcoming matches in the draw

• Fabio FogniniFognini – Corentin MoutetMoutet (0-0) – H2H and prediction
• James DuckworthDuckworth – Nikoloz BasilashviliBasilashvili (0-0) – H2H and prediction
• Li TuTu – Pierre-Hugues HerbertHerbert (0-0) – H2H and prediction
• Quentin HalysHalys – Lorenzo SonegoSonego (0-1) – H2H and prediction
• Benjamin BonziBonzi – Jiri LeheckaLehecka (1-2) – H2H and prediction
• Roman SafiullinSafiullin – (0-0) – H2H and prediction
• Denis ShapovalovShapovalov – Arthur RinderknechRinderknech (2-1) – H2H and prediction
• Tristan BoyerBoyer – Yannick HanfmannHanfmann (0-0) – H2H and prediction
• Beibit ZhukayevZhukayev – Marc-Andrea HueslerHuesler (2-1) – H2H and prediction
• Jacob FearnleyFearnley – Brandon NakashimaNakashima (0-0) – H2H and prediction