Nick Kyrgios wins at Japan Open amid court dramas with his ex-girlfriend

Nick Kyrgios has revealed how he battled breathing issues before entering his second match of the Japanese Open.

Australia's Wimbledon finalist was back performing impressively on the courts at Tokyo on Tuesday.

Meanwhile, in his hometown of Canberra, his lawyer of his was in court to have his charges for the alleged assault on former girlfriend Chiara Passari thrown out due to mental health grounds.

The common assault charge is relating to an incident that took place in January 2021, which was disclosed to ACT Police at the end of December.

Kyrgios's lawyer Michael Kukulies Smith said the tennis player's history of mental illness since 2015 makes the request suitable, citing a variety in public comments made by the world's No.20.

The crime can result in a maximum prison punishment of two years in the event of being convicted.

Kyrgios will be present for the next hearing in February, wasn't focused on the events in Australia 

when he snatched an opportunity to break in the first game of his match, before going through to a crushing 7-6-3, 6-1-0 win over Chun-Hsin Tseng from Taiwan in the Ariake Colosseum.