European Open Tennis Draws 2021, Winners, 2021 European Open Results, Seeds

Singles

Seeds

• Italy Jannik Sinner (Champion)
• Argentina Diego Schwartzman (Final)
• Chile Cristian Garín (Second round)
• Spain Roberto Bautista Agut (Second round)
• United States Reilly Opelka (First round)
• Australia Alex de Minaur (First round)
• South Africa Lloyd Harris (Semifinals)
• Serbia Dušan Lajović (Second round)

Italy Jannik Sinner def. Argentina Diego Schwartzman, 6–2, 6–2

Doubles

Seeds

• Croatia Ivan Dodig / Brazil Marcelo Melo (Quarterfinals)
• France Nicolas Mahut / France Fabrice Martin (Champions)
• Netherlands Wesley Koolhof / Netherlands Jean-Julien Rojer (Final)
• Belgium Sander Gillé / Belgium Joran Vliegen (First round)

France Nicolas Mahut / France Fabrice Martin def. Netherlands Wesley Koolhof / Netherlands Jean-Julien Rojer, 6–0, 6–1