Top-seeded Carlos Alcaraz lost for just the second time this year on Thursday when 25th-ranked Jiri Lehecka beat him 6-3, 3-6, 6-4 in the quarterfinals of the Qatar Open.

Carlos Alcaraz suffered a shock Qatar Open exit after losing to Jiri Lehecka in the quarter-finals. The Czech player secured the biggest win of his career, shaking up the tournament with another major upset following Djokovic's early elimination.

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.