The 24-year-old from Kempen lost his opening match against Australian Max Purcell in Texas 4: 6, 6: 3, 3: 6 and is not gaining momentum again this year. Altmaier had already lost the first set on Wednesday, the game was interrupted due to rain, continued on Thursday and finalized on Friday.

The last German at the clay court tournament in Houston is qualifier Yannick Hanfmann (Karlsruhe), who meets second seeded American Tommy Paul in the second round.

Here is the individual tableau in Houston.