BASEL, Switzerland — Roger Federer and Juan Martin del Potro both eased into the Swiss Indoors quarterfinals by beating French opponents in straight sets on Thursday.

Top-seeded Federer cruised to a 6-1, 6-3 win over 40th-ranked Benoit Paire in 57 minutes.

Federer took his second match-point chance on Paire’s serve, approaching the net to hit a forehand crosscourt winner.

Federer has not faced a break point this week in two matches at his hometown event in Basel. He next plays another Frenchman, seventh-seeded Adrian Mannarino.

Mannarino advanced to Friday’s quarterfinals after beating Canadian teenager Denis Shapovalov 4-6, 6-1, 6-2.

Fourth-seeded Del Potro, a two-time Basel champion, beat Julien Benneteau 6-4, 6-4 and stayed on course to qualify for the ATP World Tour Finals lineup in London next month.

Also Thursday, Marin Cilic, the second-seeded defending champion, beat 54th-ranked Borna Coric 6-3, 3-6, 6-3 to improve to 5-0 against his Croatian compatriot.

Cilic will play Hungarian qualifier Marton Fucsovics in the quarterfinals. Fucsovics advanced when opponent Leonardo Mayer retired when trailing 3-0 in the first set.

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