London - Argentine 26th seed Guido Pella reached his first Grand Slam quarter-final at Wimbledon on Monday with a come-from-behind 3-6, 4-6, 6-3, 7-6 (7/3), 8-6 win over Canadian 15th seed Milos Raonic.
Pella claimed victory on a fourth match point after surviving a barrage of 33 aces and 80 winners from the 2016 Wimbledon runner-up.
The 29-year-old left-hander will face Spain's Roberto Bautista Agut on Wednesday for a place in the semi-finals.
Wimbledon results on Monday (x denotes seeding):
Men
Round 4
Novak Djokovic (SRB x1) bt Ugo Humbert (FRA) 6-3, 6-2, 6-3
David Goffin (BEL x21) bt Fernando Verdasco (ESP) 7-6 (11/9), 2-6, 6-3, 6-4
Guido Pella (ARG x26) bt Milos Raonic (CAN x15) 3-6, 4-6, 6-3, 7-6 (7/3), 8-6
Roberto Bautista Agut (ESP x23) bt Benoit Paire (FRA x28) 6-3, 7-5, 6-
Sam Querrey (USA) bt Tennys Sandgren (USA) 6-4, 6-7 (7/9), 7-6 (7/3), 7-6 (7/5)
Rafael Nadal (ESP x3) bt Joao Sousa (POR) 6-2, 6-2, 6-2
Kei Nishikori (JPN x8) bt Mikhail Kukushkin (KAZ) 6-3, 3-6, 6-3, 6-4
Roger Federer (SUI x2) bt Matteo Berrettini (ITA x17) 6-1, 6-2, 6-2
Women
Round 4
Alison Riske (USA) bt Ashleigh Barty (AUS x1) 3-6, 6-2, 6-3
Serena Williams (USA x11) bt Carla Suarez Navarro (ESP x30) 6-2, 6-2
Barbora Strycova (CZE) bt Elise Mertens (BEL x21) 4-6, 7-5, 6-2
Johanna Konta (GBR x19) bt Petra Kvitova (CZE x6) 4-6, 6-2, 6-4
Elina Svitolina (UKR x8) bt Petra Martic (CRO x24) 6-4, 6-2
Karolina Muchova (CZE) bt Karolína Pliskova (CZE x3) 4-6, 7-5, 13-11
Simona Halep (ROU x7) bt Cori Gauff (USA) 6-3, 6-3
Zhang Shuai (CHN) bt Dayana Yastremska (UKR) 6-4, 1-6, 6-2
Wimbledon men's singles quarter-finals line up (x denotes seeded player):
Novak Djokovic (SRB x1) v David Goffin (BEL x21)
Guido Pella (ARG x26) v Roberto Bautista Agut (ESP x23)
Sam Querrey (USA) v Rafael Nadal (ESP x3)
Kei Nishikori (JPN x8) v Roger Federer (SUI x2)
Wimbledon women's singles quarter-finals line up (x denotes seeded player):
Alison Riske (USA) v Serena Williams (USA x11)
Barbora Strycova (CZE) v Johanna Konta (GBR x19)
Elina Svitolina (UKR x8) v Karolina Muchova (CZE)
Simona Halep (ROM x7) v Zhang Shuai (CHN)