Top seed Kei Nishikori has crashed out of the Dubai Duty Free Tennis Championships.
The world number six from Japan went down in three sets to Poland's Hubert Hurkacz 5-7, 7-5, 2-6.
Elsewhere, Lithuania's Ričardas Berankis beat American Denis Kudla 6-4, 6-1.
Seven-time winner Roger Federer is in action later on Wednesday.
The Swiss star takes on Spain's Fernando Verdasco on Centre Court after 7 PM.
Semenyo magic hands Man City 1-0 FA Cup win over Chelsea
Manchester City's Antoine Semenyo produced a moment of magic to win the FA Cup on Saturday, a 1-0 victory over Chelsea completing an English cup double for Pep Guardiola's side.
Chelsea agree deal with Alonso to take over as head coach, reports say
Chelsea have agreed a four-year deal with former Real Madrid and Bayer Leverkusen manager Xabi Alonso to become the Premier League club's head coach, Sky Sports reported on Saturday.
Kane grabs hat-trick as champions Bayern crush Cologne
Bundesliga top scorer Harry Kane scored a hat-trick to guide champions Bayern Munich to a 5-1 demolition of visitors Cologne in the league finale on Saturday.
Sinner beats Medvedev to set up Italian Open final with Ruud
World number one Jannik Sinner had a restless night before completing a rain-interrupted victory over Daniil Medvedev to reach the Italian Open final on home soil on Saturday.
Celtic snatch title from Hearts with last-gasp victory on final day
Celtic scored two late goals to beat Heart of Midlothian 3-1 at home in a nerve-racking final-day title showdown to be crowned Scottish champions for a record 56th time on Saturday.
