Alex de Minaur’s hopes of making a deep run at the Queen’s Club tournament for the second successive year have been dismantled by one-time junior Wimbledon champ Alejandro Davidovich Fokina.

The Australian No.1 de Minaur enjoyed a big summer on the grass in 2021 when he went on to win the Eastbourne International after being beaten by Matteo Berrettini in the semi-finals at Queen’s, the biggest of the pre-Wimbledon tune-up events.

His brilliant run drove de Minaur to a new career-high ranking of 15 in the world, but the 23-year-old Australian has already lost some of those valuable 2021 points as he tumbled out 4-6 6-4 7-5 in an absorbing second-round encounter on Wednesday.

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The 2017 Wimbledon boys champion Davidovich Fokina earned only his second-ever win on grass at senior level as he came from a set down to slip and slide his way entertainingly past de Minaur in just over two-and-a-quarter hours.

The difference in a close-fought contest came on the big points. The Sydneysider de Minaur carved out 10 break point opportunities but could only convert two while his former NextGen rival ‘Foki’, the Spanish world No.44, converted all three he eked out.

“Alex is a very good player here on grass. I had to be focused every point, because I knew I had my chances. I’m so happy for the win,” said the 23-year-old.

Davidovich Fokina will next play Dutchman Botic van de Zandschulp, who defeated former World No.3 Grigor Dimitrov 7-6 (7-5) 6-3 in the shock of the day.

Former Wimbledon runner-up Marin Cilic beat Alexander Bublik 7-6 (8-6) 7-5 to advance to the quarter-finals while Tommy Paul upset sixth-seeded Denis Shapovalov 6-4 2-6 6-4.

The seventh-seeded Cilic, a two-time Queen’s champion, saved three set points after trailing 5-0 in the first-set tiebreaker.

“The game plan against Alexander is to keep focus, you never know what is coming,” said Cilic, a finalist at Wimbledon in 2017.

“He made it a little bit crazy in that second set and out of nowhere started to do these underarms serves and slices and drop shots, and just breaking up the rhythm.”

Cilic will next face qualifier Emil Ruusuvuori, who beat Britain’s Jack Draper 6-2 7-6 (7-2).