Maligned as mentally frail, Alexander Zverev has morphed into a physical grand slam goliath in a concerted bid to finally capture tennis's greatest prizes ... and conditioner to return to the peak ...

Alexander Zverev's girlfriend Sophia Thomalla recently shared a gym mirror selfie from Argentina where her boyfriend is set to make his debut in the ATP 250 event.

"So in that regard, I still played tennis, right ... the final sets at Roland Garros, Zverev reunited with trainer Jez Green in the off-season to build the fitness needed to compete with Alcaraz ...

Nobody in men's tennis has an answer ... to even things up and test Sinner's fitness and nerve over a marathon match. But serving at 4-4 in the tiebreak, Zverev suffered a stroke of bad luck ...

Zverev, 27, decided to compete at the Argentina Open and flew to Buenos Aires for the tournament. But upon arrival, the German tennis stars was informed that his bags were misplaced. To make ...