Jacob Fearnley from England suffered the defeat of the first round by Zizou Bergs on Cincinnati Open.
Fearnley made his debut in the tournament and was defeated comfortably 6-1 6-4 by Belgium.
The 24-year-old player is ranked 55th in the world-only three places under Bergsa-but fighting in his first meeting with the 26-year-old player.
Fearnley faces nine break points in his service, losing four, and can only convert one of the two that he obtained.
His defeat followed the first round of the recent round of round in Canada.
In the women’s draw, Katie Boulter from England faced Olga Danilovic in the first round, with the winner facing the number one England Emma Raducanu.
