Besides Konta, a former Grand Slam champion and a finalist have also been forced to quit the tournament.
The world No.34 has branded the accusation ‘disrespectful’ but her opponent is standing by her claim.
Jelena Ostapenko survived a turbulent 6-1 3-6 8-6 encounter with Daria Kasatkina to book her place in the third round of Wimbledon 2021.
Danielle Collins shocked Garbine Muguruza 7-5 2-6 6-4 in a pulsating late-night encounter at the 2020 French Open.
The Latvian has handed the world No.4 her earliest loss at Roland Garros since 2016.
Garbine Muguruza advanced to the third round of the Australian Open with a hard-fought three-set win over Alja Tomljanovic.
Simona Halep made an ideal start to her grass-court season by crushing Hsieh Su-Wei 6-2 6-0 in the second round in Eastbourne.
Caroline Wozniacki started her bid for a third title in Eastbourne with a win, while Pliskova, Ostapenko and Vondrousova also secured victories.
Jelena Ostapenko frittered away five match points as she suffered a shock loss to Martic in the quarter-final of the Nature Valley Classic.
Jelena Ostapenko produced a superb performance to beat Konta in straight sets and book her place in the quarter-final in Birmingham.
Jelena Ostapenko spoke about the challenge of dealing with emotions on court after she thrashed Iga Swiatek at the Nature Valley Classic.
Ubitennis spoke with the former French Open champion following her loss at the Caja Magica in Madrid.
Madison Keys progressed to the quarter-final stage of the Volvo Car Open for the fourth time in her career with an impressive straight-sets win over Jelena...
Serena Williams and Angelique Kerber both survived testing three-set contests on their way into the third round of the Miami Open.
As the second rounds approach in Indian Wells, here are five players that need a good tournament in California, which includes finalist Daria Kasatkina.
The Latvian number one has given her opinion about Serena Williams' US Open outburst.
Johanna Konta maintained her fine form by coming back from a set down to beat Jelena Ostapenko 6-7(6) 6-1 6-2 in Montreal.
Jelena Ostapenko recognises her need for more consistency as she sets higher goals for herself to achieve in the future.
Too many unforced errors for Ostapenko. Fourth Major final for Angelique Kerber, second at Wimbledon
The Latvian smashed 32 winners in the 7-5, 6-4 victory.