Novak Djokovic said Andy Murray will have to get any doubts out of his mind when he makes his long-awaited comeback.
Johanna Konta refused to shake the chair umpire's hand and stormed off court after losing to Ashleigh Barty in the Nottingham Open final.
Jeremy Chardy let slip the chance to force a decider as he lost in straight sets to fellow Frenchman Richard Gasquet.
Aleksandra Krunic capitalised on a Kirsten Flipkens collapse to win her first WTA Tour title in style in Rosmalen.
It did not take Roger Federer long to get back to winning ways, as he clinched the Stuttgart Open on his return to action.
Although Andy Murray was competing at the top of the game prior to his injury lay-off, he is not expecting that to still be the case.
Top seed and two-time champion Coco Vandeweghe failed to convert match point in defeat to Aleksandra Krunic.
Roger Federer did not take long to reach the top of the rankings on his return to action, dethroning Rafael Nadal by beating Nick Kyrgios.
After almost a year out injured, Andy Murray will make his return to competitive tennis at the Fever-Tree Championships.
If he beats Nick Kyrgios in the Stuttgart Open, Roger Federer will return to world number one. But he is not feeling the pressure.