Greek star Stefanos Tsitsipas, the No 11 seed, won against American Frances Tiafoe, the No 18 seed, 6-3, 6-3 to move into the last 16 of the Indian Wells Masters at the Indian Wells Tennis Garden.
The Greek beat French qualifier Lucas Pouille (6-3, 6-2) ahead of his victory.
In the previous round of the Indian Wells Tennis Masters, Tiafoe, ranked No. 18, won against Serb Dusan Lajovic (6-3, 6-3). Tsitsipas will now face the big-hitting Czech Lehecka who upset Rublev, 6-4, 6-4 in 73 minutes to reach the fourth round of the BNP Paribas Open, the season’s first ATP Masters 1000 event.