Rafael Nadal battled past Reilly Opelka to push his 2022 record to 18-0 and reach the quarter-finals of the Indian Wells WTA and ATP Masters.
Nadal, who won a record-setting 21st Grand Slam title at the Australian Open in January, stayed on track for a fourth title in the California desert.
The Spainard worked the rallies in the tiebreaker after he gained a 4-3 lead.