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Frances Tiafoe outlasts Daniel Altmaier in first round at Stuttgart

By Thomson Reuters Jun 9, 2026 | 4:06 PM

Sixth-seeded Frances Tiafoe saved 7 of 9 break points and outlasted Germany’s Daniel Altmaier 7-6 (3), 4-6, 6-4 to ​post a first-round victory at the ‌BOSS Open Tuesday in Stuttgart, Germany.

Tiafoe had 24 winners and 30 unforced errors while prevailing on the grass surface after the end of the ‌clay-court ​season. Altmaier had 15 ⁠aces among his 40 ⁠winners but committed 42 unforced errors.

Tiafoe next faces Australia’s Rinky Hijikata, who rallied for a 6-7 (7), 7-6 (2), 6-3 victory over ​German wild card Tom Gentzsch. Australia’s Nick Kyrgios beat the only other seeded ⁠player in action, prevailing ⁠6-3, 6-4 over No. 8 Corentin ​Moutet of France.

The other winners Tuesday were ​Marcos Giron, Germany’s Jan-Lennard Struff and Yannick ‌Hanfmann, Australia’s James Duckworth, France’s Giovanni Mpetshi Perricard and Japan’s Sho Shimabukuro.

Libema Open

Adrian Mannarino of France hit 25 winners while posting ⁠a 6-4, 3-6, 7-5 victory over defending champion Gabriel Diallo of Canada in ‘s-Hertogenbosch, Netherlands.

Mannarino ended a ⁠nine-match drought ‌in singles play dating back ⁠to the Miami Open in mid-March. ​Diallo ‌had 52 unforced errors against ​just 20 ⁠winners. Mannarino committed 44 miscues.

Martin Damm advanced with a 6-4, 6-4 victory over Spain’s Jaume Munar. Also, China’s Zhang Zhizhen registered a 7-6 (4), 5-7, 6-1 victory over Jenson Brooksby.

–Field ​Level Media