Match Details
Fixture: Daniel Altmaier vs (6) Frances Tiafoe
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Date: Tuesday, June 9, 2026
Tournament: Stuttgart Open 2026 (Boss Open 2026)
Round: First Round (Round of 32)
Category: ATP 250
Surface: Outdoor grass court
Venue: Tennis Club Weissenhof in Stuttgart, Germany
Prize Money: €116,855
Live Telecast: USA – Tennis Channel| UK – Sky UK | Canada – TSN
Daniel Altmaier vs Frances Tiafoe preview

Daniel Altmaier and Frances Tiafoe will face off against each other for their opening round encounter at the 2026 Stuttgart Open. The duo are slated to be in action post 3:00 PM local time on Centre Court, with the battle marking a grass season debut for both players.
Altmaier and Tiafoe both made their last competitive outings at the French Open. While there, the German made an opening round exit against fourth seed Felix Auger-Aliassime, going down 6-4, 4-6, 6-4, 1-6, 6(7)-7. Meanwhile, the American enjoyed a deeper run into the tournament, taking down the likes of Eliot Spizzirri, Hubert Hurkacz and Jaimie Faria in lengthy battles. Tiafoe then fell short against eventual semi-finalist Matteo Arnaldi in his fourth round.
Daniel Altmaier vs Frances Tiafoe head-to-head record

Altmaier and Tiafoe have competed against each other thrice in as many years, but the German is yet to get the better of the World No.26. The duo’s maiden encounter took place in 2023 at the Australian Open, where Tiafoe clinched a hard-fought win.
Later that same year, they faced off against each other on Altmaier’s favoured surface at the Internazionali BNL d’Italia, only for Tiafoe to clinch another victory over the 27-year-old. Their most recent meeting took place in 2025 at Roland Garros, where Tiafoe ousted Altmaier in straight sets during the round of 16.
Daniel Altmaier vs Frances Tiafoe odds
(To be updated)
Daniel Altmaier vs Frances Tiafoe prediction

Tiafoe heads into his clash against Altmaier as a strong favorite for the win. The American displayed some strong tennis and grit at the French Open and he’ll be hoping to build in the momentum over the remainder of the season. Meanwhile, Altmaier has consistently struggled on grass courts as well as against Tiafoe and it looks unlikely that the German will move past the opening round of the Stuttgart Open.
Pick: Frances Tiafoe to win in straight sets.
Daniel Altmaier vs Frances Tiafoe betting tips
Tip 1: The match will have at least 21 games.
Tip 2: Frances Tiafoe to win at least one set 6-4 or better.
Edited by Riddhi Acharya
