2023 Mubadala Citi DC Open – Men's singles



Dan Evans defeated Tallon Griekspoor in the final, 7–5, 6–3 to win the men's singles tennis title at the 2023 Washington Open. It was his second ATP Tour singles title.

Nick Kyrgios was the reigning champion, but withdrew due to injury before the tournament began.

Seeds
All seeds received a bye into the second round. • 🇺🇸 Taylor Fritz (semifinals)

• 🇺🇸 Frances Tiafoe (quarterfinals)

• 🇨🇦 Félix Auger-Aliassime (second round)

• 🇵🇱 Hubert Hurkacz (second round)

• 🇧🇬 Grigor Dimitrov (semifinals)

• 🇰🇿 Alexander Bublik (second round)

• 🇫🇷 Adrian Mannarino (second round)

• 🇺🇸 Sebastian Korda (second round)

• 🇬🇧 Dan Evans (champion)

• 🇯🇵 Yoshihito Nishioka (second round)

• 🇺🇸 Christopher Eubanks (third round)

• Tallon Griekspoor (final)

• 🇫🇷 Ugo Humbert (quarterfinals, withdrew)

• 🇺🇸 Ben Shelton (second round)

• 🇬🇧 Andy Murray (third round)

• 🇺🇸 J. J. Wolf (quarterfinals)

Seeds
• # 🇨🇳 Shang Juncheng (qualified)

• # 🇯🇵 Sho Shimabukuro (qualifying competition, lucky loser)

• # 🇺🇸 Denis Kudla (first round)

• # 🇨🇦 Alexis Galarneau (qualifying competition)

• # 🇯🇵 Shintaro Mochizuki (qualified)

• # 🇺🇸 Brandon Holt (qualifying competition, retired)

• # 🇺🇸 Zachary Svajda (qualified)

• # 🇺🇸 Mitchell Krueger (first round)

• # 🇮🇳 Mukund Sasikumar (first round)

• # 🇯🇵 James Trotter (first round)

• # 🇺🇸 Kyle Seelig (qualifying competition)

• # 🇺🇸 Thai-Son Kwiatkowski (qualifying competition)

Qualifiers
• # 🇨🇳 Shang Juncheng

• # 🇺🇸 Bradley Klahn

• # 🇳🇿 Kiranpal Pannu

• # 🇺🇸 Bjorn Fratangelo

• # 🇯🇵 Shintaro Mochizuki

• # 🇺🇸 Zachary Svajda

Lucky loser
• # 🇯🇵 Sho Shimabukuro