The Australian tennis star's hopes of advancing to the ATP Finals semi-finals are dangling by a slender margin after a gut-wrenching defeat in three sets to Italian opponent Lorenzo Musetti.
The seventh-ranked player went down 7-5 3-6 7-5 after being unable to close out the match, keeping the Italian to stay alive in the tournament and now leaving the Australian needing to decisively defeat Taylor Fritz in his third and final group match to reach the semi-finals.
But facing Fritz in 48 hours is the smallest of de Minaur's pressing worries as the Sydney native admits he must address the mental demons that risk undermining his career.
A unsuccessful competitor of all six of his grand slam quarter-final appearances, the 26-year-old was unable to disguise his distress after suffering yet another crucial opportunity slipping away with his finals destiny in his own hands.
"I don't know how many times I can handle a loss like this one," de Minaur stated in Turin. "I must talk to my team and try to resolve these problems because these are challenges that can't keep happening."
"I mean, if I really want to be serious about advancing to the next level in my career, these contests, I can't lose them. I just can't. It seems as if I've been defeated in a lot of them this year. Most importantly, it's reaching a point where mentally it's destroying me."
Characterizing his feelings as "very bleak", de Minaur lamented a succession of final set collapses in 2025 and said he must find a way to win the close matches.
The Australia No 1's streak of devastating defeats comprise:
"I continue investing everything into these matches," de Minaur commented. "When the result's not there, it's hard to keep pushing through."
"It's something that if it doesn't get sorted, it's going to eat me alive. I must get it sorted quickly rather than delayed."
De Minaur and Fritz are 5-5 in previous encounters, though the sixth-ranked American emerged victorious in their meeting in this prestigious tournament last year.
The Australian's chances remain alive after Fritz experienced a 6-7 (2-7) 7-5 6-3 loss to Carlos Alcaraz that ensured the Spaniard would advance to the semi-finals as the victor of the Jimmy Connors group.
The second-ranked player's win, having already knocked over de Minaur, put Alcaraz a single victory away of claiming the year-end top ranking from Jannik Sinner.
Even if he loses to Musetti in his last round-robin contest, Alcaraz will reclaim the world No 1 ranking unless Sinner, who beat Auger-Aliassime in his first match on Monday, goes unbeaten to retain his ATP Finals title.
"I'll attempt not to focus on it," said Alcaraz. "It's going to be a extremely important match for me. I will try not to let the anxiety play a bad time in the match. I will think about my goals, about performing much better than today."
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