Alcaraz defeats Khachanov in three sets and advances to semifinals in Doha 🎾

Published on February 19, 2026 | Translated from Spanish

Carlos Alcaraz continues to rack up matches in his preparation for the American swing. In the quarterfinals of the ATP 250 in Doha 2026, the Spaniard defeated Karen Khachanov after a physical three-set battle. After losing the first set, Alcaraz came back in the match thanks to his consistency from the baseline and greater effectiveness in key points, sealing his spot in the semifinals.

Alcaraz, focused after a backhand shot, in a night match on hard court. The Spaniard, with a look of effort, seeks to come back against Khachanov.

Resource optimization: energy management in long matches ⚙️

This type of match, with extended rallies and high physical wear, serves as a case study on resource management. Alcaraz showed a tactical distribution of his effort, prioritizing intensity in break moments and tiebreak points. It's similar to optimizing system performance, adjusting CPU consumption in secondary processes to free up power for critical tasks and avoid a general collapse.

Khachanov's "airplane mode": disconnection in the decisive set 📵

It seems Khachanov activated some power-saving function a bit earlier than planned. After a solid first set, his performance experienced a notable frame drop, as if his forehand driver had crashed. Alcaraz, on the other hand, maintained a stable connection, without latency spikes, and took advantage to upload heavy files (come on, winners) to the net when it suited him best. Sometimes, a simple restart between sets isn't enough.