Federer, a five-time champion and last year's victor at the ATP 1000 event, is yet to drop a set at the tournament in 2018 and that continued with a 7-5 6-4 victory. The 36 year-old Federer won and went ahead to win the championship, his 20th Grand Slam.
Hyeon Chung reached the last eight of the Indian Wells Masters as he beat No. 30 seed Pablo Cuevas 6-1, 6-3 in California on Wednesday. He started 16-0 and went on to win 33 of 34 matches. "Because that thing looked nasty and it takes some time to heal".
The Korean's compact two-handed backhand, baseline precision, speed and leg strength that prompted ESPN analyst Brad Gilbert to nickname him "Quadzilla" were all on display when he knocked off No. 4-seeded Alexander Zverev and six-time champion Novak Djokovic to reach the Australian Open semifinals.
The "GOAT" had his spot serve working so well that he dominated on second serve points as well, winning 79% to only 38% for Chardy-a player known to have an excellent serve.
Cuevas saved two more match points in the ninth game but his luck finally ran out.
Coric next plays No. 7 Kevin Anderson of South Africa, who beat No. 11 Pablo Carreno Busta of Spain 4-6, 6-3, 7-6 (8).
"It was hard conditions to play in today because of the wind", she said. I'm just trying to enjoy on the court'.
Juan Martin del Potro, a runner-up in Indian Wells in 2013, battled a bad back to outlast Leonardo Mayer 3-6 7-6 (2) 6-3.
Down a set and behind 5-0 in the second set, Cuevas miraculously saved seven match points to win the game.
Halep moves on to the semi-finals where she will face either Japan's Naomi Osaka or fifth seeded Karolina Pliskova. He dropped just three serve points overall with those coming on his second serve.