Daniel Altmaier was frustrated by losing his serve to Tommy Paul at a crucial time during their Hamburg Open quarterfinal in Germany.

But Corentin Moutet decided to take things to a whole other level Monday. During a match with Alejandro Davidovich Fokina, ...

Tristan Boyer, struggling this tennis season, made headlines for an explosive tantrum during a Challenger event in Italy, attacking the umpire's chair in frustration.

The former Wimbledon champion details the intense and sometimes hostile environment in tennis locker rooms, especially on the junior circuit, where competition turns cutthroat. Marion Bartoli has made ...