Former world number one Daniil Medvedev crashed out of the Dubai Championships on Thursday, squandering four match points before losing a bad-tempered quarter-final to Tallon Griekspoor of the Netherlands.

The opening day of the ATP BNP Paribas Open in Indian Wells will be a day of comebacks. Reilly Opelka will play here for the first time in three years.

In the BNP Paribas Open Round of 128 on Wednesday, we have a matchup of No. 114-ranked Reilly Opelka versus No. 69 Roman Safiullin ... the qualifying round at the Dubai Duty Free Tennis Championships.

Reilly Opelka of the United States will take on Roman Safiullin of Russia in the first ... Qatar Open and Dubai Tennis Championship). As a result, his ranking has plummetted from a career-high ...

Reilly Opelka (No. 114 in the world) takes on Roman Safiullin (No. 69) in the Round of 128 at the BNP Paribas Open.Safiullin is favored (-120) to get to the Round of 64 against the

Top-seed Daniil Medvedev was stunned by Tallon Griekspoor at the Dubai Tennis Championship on Thursday as the world number 47 recorded the biggest win of his career.

Tsitsipas' victory in Dubai earned him impressive prize money ... Jan-Lennard Struff, Zhang Zhizhen, Roman Safiullin, Jiri Lehecka, Lorenzo Sonego, Dan Evans, Gael Monfils, Marton Fucsovics ...

Tallon Griekspoor saved four match points before beating top-seeded Daniil Medvedev 2-6, 7-6 (7), 7-5 to reach the semifinals at the Dubai Championships on Thursday.

Tallon Griekspoor cannot believe himself how he is still in the Dubai Championships after toppling second-seed Daniil Medvedev to reach the semi-finals.