INDIAN WELLS, Calif. — Juan Martin del Potro defeated Philipp Kohlschreiber 3-6, 6-3, 6-4 to reach the semifinals of the BNP Paribas Open for the first time in five years.
Del Potro next plays No. 32 Milos Raonic of Canada, who got by 18th-seeded American Sam Querrey 7-5, 2-6, 6-3 on Friday.
The other semifinal on Saturday is between top-ranked Roger Federer and Borna Coric of Croatia.
Del Potro has never lost to Kohlschreiber in six meetings on hard courts. The Argentine last reached the final at Indian Wells in 2013, when he lost to Rafael Nadal.
In the women’s semifinals Friday night, Venus Williams was to meet Daria Kasatkina of Russia and top-ranked Simona Halep of Romania faced Naomi Osaka of Japan.