The 20-year-old withdrew from Tuesday's Eisenhower Cup after pulling out of last week's ATX Open due to tonsillitis.
Djokovic is unlikely to play but is still added to the provisional Entry List because vaccine mandates won't end until May despite calls to do so.
Nadal, a three-time champion in Indian Wells, will be making his 11th appearance in the semi-finals against Carlos Alcaraz Garfia.
Novak Djokovic had caused quite the stir due to his unvaccinated status ahead of the Australian Open earlier this year.
Cameron Norrie put an end to Grigor Dimitrov’s impressive run to reach his first ATP Masters 1000 final at the BNP Paribas Open. The 26-year-old Londoner broke Dimitrov at the be...
On the back of her straight sets victory, Paula Badosa became the first Spanish woman in 25 years to advance to the BNP Paribas Open final.
Alexander Zverev led 5-2 in the deciding set but failed to convert his two match points, allowing Taylor Fritz to make a comeback.
The World No.27 went past the German player in straight sets to book a spot in her second WTA 1000 semifinal of the year.
The Bulgarian edged past the 24-year-old 3-6, 6-4, 7-6 to reach his first ATP Masters 1000 semi-final of the season.
The 23rd seed battled back from 4-6, 1-4 down to move past the Russian 4-6, 6-4, 6-3 and reach the quarter-finals in Indian Wells for the first time.