Matt Ebden is locked in a torrid five-set battle with Thomas Fabbiano as he attempts to save Australia from a none-from-five start to the French Open in Paris.
Ebden nabbed the fourth set to level up his first-round match against the Italian at 4-6 7-5 2-6 6-3 before thunderstorms forced the suspension of play on day two at Roland Garros.
The West Australian will return on Tuesday hoping to avoid suffering the same fate as Bernard Tomic, Jordan Thompson and Ajla Tomljanovic, who all bombed out in round one.
Tomic earlier on Monday fell 6-4 5-7 6-4 6-4 to Argentine lucky loser Marco Trungelliti, before Thompson endured another despairing five-set grand slam defeat at the hands of Norwegian qualifier Casper Ruud.
Thompson's valiant fightback from two sets down proved fruitless as he bowed out 6-1 6-4 2-6 4-6 6-3.
The setback follows other gut-wrenching losses in cliffhangers that went the distance against Nicolas Kicker in Melbourne in January and Fabbiano in New York last September.
Compounding his frustration, Thompson also lost in the opening round in Paris last year.
Tomljanovic was eliminated 7-5 6-3 on Sunday by women's fourth seed Elina Svitolina.
Ebden, John Millman, James Duckworth, Alex de Minaur, fellow wildcard Isabelle Wallace and women's big guns Ashleigh Barty, Daria Gavrilova and Samantha Stosur will look to restore Australian pride on Tuesday.
Millman will carry a career-high ranking into his clash with 24th seed Denis Shapovalov, but knows he will have his work cut out against the Canadian, one of the hottest young prodigies on tour.
"Never played him before. Obviously, he shot to fame probably a little bit later than this time last year," Millman said.
"But he's had an incredible 12 months. There's a lot out there on him because he's the 'next-gen' and we're pushing that pretty hard.
"So he's extremely talented. He played really well in those two Masters events on clay so it's going to be a tough match, especially being a lefty."
Duckworth continues his comeback from foot surgery but can't expect any let-up against third seed Marin Cilic, the 2018 Australian Open finalist and 2017 Wimbledon runner-up.
De Minaur will need to reverse a recent straight-sets loss to Kyle Edmund in Estoril to cash in on his wildcard entry.
"I practised with him probably three or four times before I played with him in Estoril, so I knew what to expect there," said Britain's 16th seed.
"But of course his game is very energetic. He obviously has lots of energy and runs down a huge amount of balls.
"He's not going to give points to you cheaply. I always felt like you're going to be in the rallies against him.
"He's not a guy that powers you off the court or a big server, but he certainly makes you earn the points. He's a really good competitor."
