Nick Kyrgios has taken to Twitter to defend his partner, Ajla Tomljanovic, after a controversial timeout led to her letting her first WTA title slip to Dayana Yastremska.

Tomljanovic was storming to a first title win leading 5-2 in the final set of the Thailand Open before Yastremska called for her trainer to treat her.

Tomljanovic expressed her frustration to the umpire after she revealed that the Ukranian player had not specified what the injury was, although it was later reported that the injury was to her left leg.

The timing of the timeout and the resultant comeback raised suspicions from fans about the legitimacy of the injury with some accusing Yastremska of unsporting conduct.

Kyrgios, currently suffering from a knee injury sustained in the Australian Open, took to the social media platform following the incident saying: “That medical was trash.” Kyrgios is no stranger to controversy himself. The Australian has admitted, in an interview with the Daily Mail, to “tanking” – the act of deliberately not playing to the best of your abilities – in up to eight tournaments leading to outrage from many fans.