Doha ATP 500 Quarterfinals: Alcaraz, Sinner Backed as Tsitsipas–Rublev Labeled a Toss-Up

Overview

• The quarterfinal slate features Stefanos Tsitsipas vs Andrey Rublev, Jiri Lehecka vs Arthur Fils, Jakub Mensik vs Jannik Sinner, and Carlos Alcaraz vs Karen Khachanov on February 19 in Doha.
• Multiple previews pick Carlos Alcaraz to defeat Karen Khachanov in straight sets, citing his undefeated 2026 start and a 5–0 head-to-head record.
• Coverage favors Jannik Sinner over Jakub Mensik in two sets despite Mensik’s early-season surge that includes the Auckland title.
• Analysts split on Tsitsipas–Rublev, with previews edging Tsitsipas in three after his straight-sets win over Daniil Medvedev, yet bookmakers rate the matchup as near even.
• A betting column identifies Rublev to win at 1.73 and Lehecka to win at 1.67 as value selections with bet365.