The US Open champion parted ways with Beltz on Tuesday after just five months of being together.

The 45-year-old German Beltz previously coached former world number one Angelique Kerber when she won the Australian Open and US Open titles in 2016.

The title is his third singles title of the season after winning in Rio de Janeiro and Miami. Speaking to the media after the presentations, the 18-year-old said, "I have always been a normal guy. Fame doesn't scare me, I will remain the same as ever, I am not going to change the person I am. "I'm glad to know that at 18 I'm in the top-10, and to do it on the same date that my idol Rafa did it is impressive."

Number eight Rublev defeated world number one Novak Djokovic 6-2, 6-7 (4-7) 6-0 in the deciding set. When he lost 5–0 in the decider against Rublev, Djokovic sat in his chair with his head in his towel as the home crowd chanted his name loudly.

Britain's Joe Salisbury backed the feat to become doubles world number one by winning the Monte Carlo Masters with American teammate Rajeev Ram. Salisbury and Ram claimed their first clay title as a pair.

Casper Roode booked his place in his first Masters 1000 final with a comfortable win over Francisco Cerundolo at the Miami Open. The Norwegian needed an hour and 34 minutes to secure a 6-4 6-1 win that takes them one win away from their second Tour title of the season. Rudd, 23, had moved into the last four on the back of a three-set win over Alexander Zverev, while Cerundolo's progress to the semi-finals at the start of the Masters 1000 was aided by the respective retirements of Reilly Opelka and Jannik Sinar. Due to injury in his matches. The second semi-final begins at 00:00 BST on 2 April, with Poland's Hubert Hercz, seeded sixth, who defeated Daniil Medvedev in the quarter-finals, against Carlos Alcarz of Spain, seeded 14th.

Naomi Osaka will reach the semi-finals of the Miami Open for the first time after defeating Daniel Collins 6-2, 6-1 on Tuesday. Osaka and Bencic face off in Miami semi-finals. "I'm glad I was able to recover quickly," Osaka said after the match. "I really focused on trying to get the very best returns. "It's actually my first match of the night as well, so I didn't know what the conditions were going to be like." Osaka will face defending Olympic champion Belinda Bencic, who comfortably beat Daria Saville 6-1, 6-2.