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Gabriel Diallo and Felix Auger-Aliassime are in action at the Mallorca Championships quarterfinal on Thursday.
The pregame narrative: The Canadians are favoured to win their respective matchups and would play each other in the semifinal if that holds true. Diallo takes on Tallon Griekspoor, who is just returning from injury, while FAA battles an unproven Serbian, Hamad Medjedovic.
Check out my top tennis predictions for the June 26 matches in Mallorca.
Tennis predictions: June 26
Best Bet: Diallo to win (-127)
Diallo is having a breakout year.
The 23-year-old from Montreal picked up his first ATP singles title earlier this month at the Libema Open, also played on grass, winning four of his five contests in straight sets.
That included wins over Ugo Humbert and Karen Khachanov, who sit inside the top 20 in the ATP rankings.
Now, he faces Griekspoor, who eliminated him in the Round of 64 at the French Open in late May.
The Dutchman was forced to retire two matches later at Roland Garros against Alexander Zverev with an abdominal injury, and he looked shaky against No. 95-ranked Ethan Quinn in his return to action on Tuesday.
Griekspoor won 7-5, 6-4, but Quinn won 14 of his 16 points in the opening set on his first serve.
Diallo also has a strong service game, sitting 21st in serve rating (279.2) and percentage of first serve points won (72.3).
I expect the Canadian to apply plenty of pressure early and stay hot on grass against an opponent lacking conditioning.
Key stat: Diallo is 8-1 on grass this year.
Best bet for Auger-Aliassime vs. Medjedovic
Auger-Aliassime vs. Medjedovic over 2.5 sets (+130): I expect Medjedovic to give Auger-Aliassime everything he can handle on Thursday.
The 21-year-old Serbian is 7-5 since the beginning of the clay season in Barcelona. In his losses, he has consistently pushed his opponents deep into sets.
Medjedovic just beat Roman Safiullin in a three-set thriller and is -159 to cover +1.5 sets against Auger-Aliassime.
FAA's only straight-sets loss on grass this year was to ATP No. 5-ranked Taylor Fritz. I expect Medjedovic to perform, but I can't see him pulling off a dominant win. That makes this a compelling play at plus money.
Two of Auger-Aliassime's last three grass matches have gone to a third set.
Tennis predictions made at 12:15 p.m. on 06/25/2025.
