World No. 3 Carlos Alcaraz found himself trailing in the second set to Croatia's Marin Cilic, but battled back for a 6-4, 6-4 win Monday in the opening round at the Qatar ExxonMobil Open in Doha.

On Thursday, World No. 3 Alcaraz took on No. 25 Jiri Lehecka in the quarterfinals. Lehecka overpowered Alcaraz throughout the two-hour, nine-minute match, taking the win in three sets: 6-3, 3-6, 6-4.

Jiri Lehecka knocked off top-seeded Spaniard Carlos Alcaraz on Thursday to advance to the semifinals of the Qatar ExxonMobil Open in Doha. The 23-year-old Czech trailed 4-2 in the third set before rallying to win 6-3, 3-6, 6-4. Lehecka struck eight aces and converted 4 of 8 break chances to secure the first Top 3 win of his career.

Jiri Lehecka knocked off top-seeded Spaniard Carlos Alcaraz on Thursday to advance to the semifinals of the Qatar ExxonMobil Open in Doha. The 23-year-old Czech trailed 4-2 in the third set before rallying to win 6-3,

Carlos Alcaraz falls to Jiri Leheck in three sets, bowing out of the Qatar Open in the quarterfinals.