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Alcaraz Reaches Doha Semis as Mensik Stuns Sinner, Widening No. 1 Gap

Sinner’s Doha defeat leaves Alcaraz with a roughly 2,900-point Live Rankings lead entering the semifinals.

Tennis - WTA 1000 - Qatar Open - International Tennis and Squash complex, Doha, Qatar - February 17, 2026 Spain's Carlos Alcaraz with fans after winning his round of 32 match against France's Arthur Rinderknech REUTERS/Saleh Salem
Tennis - Qatar Open - Khalifa International Tennis and Squash Complex, Doha, Qatar - February 18, 2026 Spain's Carlos Alcaraz in action during his round of 16 match against France's Valentin Royer REUTERS/Mohammed Salem
Tennis - Qatar Open - Khalifa International Tennis and Squash Complex, Doha, Qatar - February 18, 2026 Spain's Carlos Alcaraz and France's Valentin Royer embrace after their round of 16 match REUTERS/Mohammed Salem
Tennis - Qatar Open - Khalifa International Tennis and Squash complex, Doha, Qatar - February 19, 2026 Spain's Carlos Alcaraz in action during his quarterfinal match against Russia's Karen Khachanov REUTERS/Mohammed Salem

Overview

  • Carlos Alcaraz rallied past Karen Khachanov 6-7, 6-4, 6-3 to book a Qatar Open semifinal against defending champion Andrey Rublev.
  • Jakub Mensik upset Jannik Sinner 7-6 (3), 2-6, 6-3 and will face Arthur Fils in the other semifinal.
  • Live ATP figures place Alcaraz around 13,250 points and Sinner near 10,350 following the quarterfinals, opening a gap of about 2,900 points that could grow if Alcaraz progresses.
  • The world No. 1 extended his outdoor hard-court winning streak to 28 matches, reinforcing momentum after his Australian Open title.
  • Alcaraz has logged 59 weeks at No. 1 and is edging toward Sinner’s career total of 66 weeks as the tour heads to Indian Wells and Miami.