Three of the four semifinalists of the ATP 250 event in Santiago are South American players.

Could starting the year at No. 2 be a blessing in disguise? The Spaniard was in vintage, free-swinging form Wednesday night at the Argentina Open.

The Spanish teenager, who had been out with abdominal and leg injuries, was playing his first match in 104 days.

The Australian is in the midst of a great grass-court season, and he'll now look to keep things rolling against an opponent lacking success on the surface.

Medvedev is one of the best players on the planet, but his disdain for clay isn't a good match for Djere's experience on this surface.

The 20-time Grand Slam champion rallied from a set down for the 129th time in his career to prevail, 2-6, 7-6 (6), 7-6 (4).

The No. 1-ranked Serb has won three ATP titles in his hometown of Belgrade—the Serbian Open twice in 2009 and 2011, and the Belgrade Open in 2021.

The Greek star won two tiebreakers when these two met at Acapulco in February, but the Serbian should be able to make this competitive on clay.

The seventh-seeded Laslo Djere has defeated Colombia’s Daniel Elahi Galan 6-4, 3-6, 6-4 in the first round of the Astana Open

Another batch of must-see first-round matches are set to take place on Tuesday, including a late-night clash between Daniil Medvedev and Vasek Pospisil.