2018 BB&T Atlanta Open

The 2018 BB&T Atlanta Open was a professional men's tennis tournament played on hard courts. It was the 31st edition of the tournament, and part of the 2018 ATP World Tour. It took place at Atlantic Station in Atlanta, United States between July 23 and 29, 2018. It was the first men's event of the 2018 US Open Series. First-seeded John Isner won the singles title.

Seeds

 * 1 Rankings are as of July 16, 2018.

Other entrants
The following players received wildcards into the main draw:
 * 🇰🇷 Chung Hyeon
 * 🇺🇸 Emil Reinberg
 * 🇺🇸 Donald Young

The following players received entry using a protected ranking into the main draw:
 * 🇦🇺 James Duckworth

The following players received entry as special exempts:
 * 🇮🇳 Ramkumar Ramanathan
 * 🇺🇸 Tim Smyczek

The following players received entry from the qualifying draw:
 * 🇦🇺 Alex Bolt
 * 🇮🇳 Prajnesh Gunneswaran
 * 🇦🇺 Thanasi Kokkinakis
 * 🇺🇸 Noah Rubin

The following player received entry as a lucky loser:
 * 🇵🇱 Hubert Hurkacz

Withdrawals

 * Before the tournament
 * 🇧🇦 Mirza Bašić →replaced by 🇦🇺 James Duckworth
 * 🇮🇳 Yuki Bhambri →replaced by 🇦🇺 Alex de Minaur
 * 🇺🇸 Jared Donaldson →replaced by 🇷🇴 Marius Copil
 * 🇱🇺 Gilles Müller →replaced by 🇱🇹 Ričardas Berankis
 * 🇺🇸 Jack Sock →replaced by 🇵🇱 Hubert Hurkacz

Retirements

 * 🇦🇺 Nick Kyrgios

Seeds

 * 1 Rankings are as of 16 July 2018.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇺🇸 Christopher Eubanks / 🇺🇸 Donald Young
 * 🇦🇺 Thanasi Kokkinakis / 🇦🇺 Nick Kyrgios

Singles

 * 🇺🇸 John Isner defeated 🇺🇸 Ryan Harrison, 5–7, 6–3, 6–4

Doubles

 * 🇺🇸 Nicholas Monroe / 🇦🇺 John-Patrick Smith vs. 🇺🇸 Ryan Harrison / 🇺🇸 Rajeev Ram, 3–6, 7–6(7–5), [10–8]