Porsche Tennis Grand Prix 2024 - Stuttgart

Serena Williams' ex-coach Rennae Stubbs unimpressed with Aryna Sabalenka's method of using sarcasm towards coaching team to cope with losses

WATCH: Aryna Sabalenka hilariously refuses to accept runner-up trophy after failing to win Porsche yet again in her 4th Stuttgart final

How Aryna Sabalenka made the chair umpire angry with bold gesture after disagreement in Stuttgart QF

Jelena Ostapenko sends bold message about how good she is after blowing past Iga Swiatek for 6th straight time in Stuttgart

Coco Gauff attracting eyeballs after heartbreak in Stuttgart draws disturbed reaction from Serena Williams' ex-coach