Daniil Medevev and World No. 6 Stefanos Tsitsipas will headline the ATP Rotterdam tournament, which begins tomorrow.

A packed field includes Alexander Zverev and Andrey Rublev, plus 2015 winner Stan Wawrinka and Andy Murray, in the event and a wild card.

Novak Djokovic and Daniil Medvedev meet at the net after the men’s singles final on Rod Laver Arena. Photo: Tennis Australia/ NATASHA MORELLO

Other players to watch include Canadian Felix Auger-Aliassime, Spaniard Roberto Bautista Agut, Belgian David Goffin and Russian Karen Khachanov.

One player not participating in Rafa Nadal, who withdrew earlier this week with a back injury.

“I suffered some back problems in Australia that started in Adelaide and continued during Melbourne,” Nadal said on his Twitter account.

Stefanos Tsitsipas will be in Rotterdam but Rafa Nadal has pulled out with a back injury. Photo: Tennis Australia/ MARK PETERSON

“We found a temporary solution that allowed me to play without pain in the second week of the tournament, but once I got back to Spain I visited my doctor and together with my team they’ve advised not to play this upcoming week.”