Lots of surprises in Dubai. Favorites out of the tournament

Four seeded players were knocked out of the ATP 500 Dubai tennis tournament on Tuesday, with Alex De Minaur (Australia, 2), Andrey Rublev (Russia, 3), Grigor Dimitrov (Bulgaria, 6) and Arthur Fils (France, 8) all losing in the first round.

De Minaur lost to Croatian Marin Cilic, Rublev to Frenchman Quentin Halys, Fils to Portuguese Nuno Borges, and Dimitrov retired in the match against Australian Christopher O'Connell.

Russian Daniil Medvedev, playing at number one, advanced to the second round of the hard-court tournament with a prize pool of $3.237 million, defeating German Jan-Lennard Struff.

Results of Monday's matches :

Marin Cilic - Alex De Minaur 6:2, 3:6, 6:3 Arthur Fils - Nuno Borges 2:6, 1:6 Luca Nardi - Marton Fucsovics 1:6, 6:2, 6:3 Alexander Bublik - Felix Auger-Alliasime 6:7, 7:6, 3:6 Roman Safiullin - Tallon Griekspoor 7:5, 6:7, 6:7 Quentin Halys - Andrei Rublev 3:6, 6:4, 7:6 Jiri Lehecka - Ugo Humbert 3:6, 0:6 Daniil Medvedev - Jan-Lennard Struff 6:4, 7:6 Christopher O'Connell - Grigor Dimitrov 6:0 and Dimitrov's foul Gael Monfils - Matteo Berrettini 5:7, 4:6.

ATP broadcasts in Dubai on Polsat sports channels.