Jack Draper stunned defending champion Carlos Alcaraz, 7-6 (3), 6-3 on Thursday in the second round of the cinch Championships in London.

Draper, of Great Britain, recorded eight aces and won 82 percent of his first-serve points to dispatch the top-seeded Spaniard in 1 hour and 39 minutes.

Draper advances to face fifth-seeded Tommy Paul, who posted a 6-3, 6-4 win over Alejandro Tabilo of Chile.

Also on Thursday, Great Britain’s Billy Harris collected a 6-4, 7-5 win over Frenchman Giovanni Mpetshi Perricard.

Terra Wortmann Open

Top-seeded Jannik Sinner of Italy notched a 6-4, 6-7 (4), 6-3 win over Fabian Marozsan of Hungary in the second round in Halle, Germany.

Sinner fired 12 aces and overcame two double faults to dismiss Marozsan in 2 hours, 15 minutes.

Fifth-seeded Hubert Hurkacz of Poland posted a 7-6 (3), 6-4 victory over Australian James Duckworth, while Marcos Giron rallied for a 3-6, 6-4, 6-3 win over Matteo Berrettini of Italy.

–Field Level Media