No. 6 seed Miomir Kecmanovic of Serbia and No. 7 seed Brandon Nakashima were shown the door in the first round of the Atlanta Open on Tuesday.

Australian lucky loser Adam Walton saved all three break points he faced and took down Kecmanovic 6-4, 6-4. Mackenzie McDonald needed just 72 minutes to win his all-American matchup with Nakashima 6-2, 6-4. McDonald went 3-for-3 in both saving break points and converting his break-point opportunities.

Another lucky loser, Frenchman Harold Mayot, also advanced by defeating Borna Coric of Croatia 7-6 (9), 6-3. Other winners were Italian qualifier Mattia Bellucci, Russian Aslan Karatsev and France’s Arthur Rinderknech.

All three of the scheduled night matches were postponed until Wednesday because of inclement weather, including one pitting Australians Christopher O’Connell and Max Purcell, the eighth seed.

Generali Open

Wild card Lukas Neumayer toppled countryman and No. 5 seed Sebastian Ofner 6-4, 4-6, 7-6 (3) in front of their home crowd in Kitzbuhel, Austria.

Neumayer, ranked No. 289 in the world to Ofner’s No. 56, had to absorb 10 aces by Ofner and won despite hitting five double faults without an ace. He won five of the final six points of the third-set tiebreaker.

No. 7 seed Roberto Carballes Baena of Spain rallied for a 4-6, 6-2, 6-3 win over Hungary’s Marton Fucsovics. Argentina’s Thiago Agustin Tirante swept past Austrian Dominic Thiem 6-2, 6-4. Other winners included Italian Matteo Berrettini, Argentina’s Facundo Diaz Acosta, Colombia’s Daniel Elahi Galan and France’s Hugo Gaston.

Plava Laguna Croatia Open Umag

No. 1 seed Andrey Rublev of Russia took care of Argentina’s Camilo Ugo Carabelli 6-4, 7-5 to reach the quarterfinals in Umag.

Ugo Carabelli hit six aces to Rublev’s one but also committed six double faults. Rublev had 22 winners while overcoming 18 unforced errors.

Rublev’s quarterfinal opponent will be Hungarian Fabian Marozsan, a 6-2, 7-6 (7) winner over Brazilian Thiago Monteiro. And in two Round of 32 matches, Italian fifth seed Luciano Darderi beat Croatian Duje Ajdukovic 6-1, 6-4, while Italy’s Fabio Fognini topped France’s Luca Van Assche 6-4, 6-3.

–Field Level Media