Jannik Sinner, the world No. 2 and one of the brightest stars on the ATP Tour, is making headlines for more than just his singles prowess as the 2026 tennis season heats up. On February 18, 2026, Sinner entered the doubles draw at the prestigious Indian Wells Masters 1000 event, teaming up with the towering American Reilly Opelka. The pair, who previously tasted doubles glory together, are hoping for another shot at success—but as fourth alternates, their participation is anything but guaranteed. It’s just one chapter in a story that weaves together old friendships, new rivalries, and the relentless pursuit of tennis greatness.
Sinner and Opelka’s partnership is a reunion that’s sure to catch the eye of tennis fans. Their history dates back to the 2021 Atlanta Open, where the then-teenage Sinner and Opelka stormed through the field to lift the ATP 250 doubles title, winning four matches in a row. That victory remains Sinner’s sole doubles trophy to date. Reflecting on their Atlanta triumph, Sinner was quick to heap praise on his American partner: “He gets more [credit] because he was serving very, very good and today obviously he was returning well. At the end of the day, we had a lot of fun the whole week. Thanks to him for playing with me.”
Opelka, now ranked world No. 69, was equally effusive about Sinner’s abilities, even back then. “You get a guy with returns as good as Jannik’s, you can beat anyone. It was unbelievable. Seriously, it was impressive to watch and it was fun to be around a guy like him. He’s 19, but you wouldn’t know it. He’s so far ahead of his age and you can tell his mind works differently than a lot of the other guys’.” The mutual respect and camaraderie between the two have endured, with Sinner often naming Opelka as one of his closest friends on tour in Q&A sessions.
Yet, despite their chemistry and proven track record, Sinner and Opelka’s combined ranking isn’t enough to secure direct entry into the Indian Wells main draw. As fourth alternates, the duo must wait and hope that at least four pairs withdraw before the first-round matches are completed. The competition for a spot is fierce, with the doubles field at Indian Wells boasting a lineup that reads like a who’s who of the tennis world. Australian Open champions Neal Skupski and Christian Harrison, British pair Julian Cash and Lloyd Glasspool, and a slew of top singles players have all thrown their hats into the ring.
Among the notable entries, former world No. 1 Daniil Medvedev has teamed up with American prodigy Learner Tien. Their partnership is particularly intriguing given Tien’s recent demolition of Medvedev in the fourth round of the Australian Open, with a commanding 6-4, 6-0, 6-3 victory. Medvedev, reflecting on that loss, said, “He played great, super-aggressive. Even when I was making good shots, he was making a better shot back. Didn't find many solutions today on the court, which is rare, and I didn't feel that many times in my life like this.” The doubles draw also sees world No. 10 Alexander Bublik pairing with doubles stalwart Rajeev Ram, fiery Frenchman Corentin Moutet joining forces with Flavio Cobolli, and good friends Alejandro Davidovich Fokina and Arthur Fils forming another exciting team. Ben Shelton and Emilia Nava, as well as Ugo Humbert and Giovanni Mpetshi Perricard, are also on the alternate list alongside Sinner and Opelka.
While Sinner’s doubles ambitions are on hold for now, his singles career continues to soar. Fresh off a semifinal appearance at the 2026 Australian Open—where he fell to Novak Djokovic, who then lost to Carlos Alcaraz in a thrilling final—Sinner is currently competing at the Qatar Open. He dispatched Tomas Machac 6-1, 6-4 in his opening match to reach the Round of 16 and is set to face Australian Alexei Popyrin for a place in the quarterfinals. Should he advance, he’ll meet either Jakub Mensik or Zhizhen Zhang next. Sinner’s relentless drive and adaptability are on full display as he juggles a demanding schedule and high expectations.
Off the court, Sinner’s profile has only grown, particularly in his home country of Italy, which is currently hosting the 2026 Winter Olympics. The Italian has been watching the Games with keen interest but was quick to quash any speculation about a switch to winter sports. A national giant slalom skiing champion in his youth, Sinner joked about his admiration for the athletes but insisted tennis remains his true calling. “Honestly, I’m very happy being a tennis player. Even though if I see the Winter Olympics, they’re very impressive. Especially being in Italy… being an Italian, you see the tension. It’s impressive in every sport there is on. It’s incredible to watch.” He added, “I would love to ski a bit more. Every winter I have this feeling that going to ski is something very very beautiful. But I also have to be very careful. Things can change very, very quickly and go wrong very quickly. But it’s beautiful. Watching on TV is a bit more relaxing, I would say. I’m very happy to be a bit outside, to see it from a bit far.”
Meanwhile, the next generation of tennis stars is making waves, with Brazilian Joao Fonseca drawing comparisons to Sinner for his explosive game and mental fortitude. Fonseca, who claimed the Buenos Aires ATP 250 and Basel ATP 500 titles in 2025, has faced early challenges in 2026 due to a back injury that disrupted his pre-season. After missing the year’s opening tournaments, Fonseca’s return at the Australian Open ended in a first-round loss to Eliot Spizzirri, and a subsequent early exit in Buenos Aires while defending his title against Alejandro Tabilo. Nevertheless, Fonseca bounced back with a strong showing against compatriot Thiago Monteiro at the Rio de Janeiro ATP 500.
Swiss legend Roger Federer recently weighed in on Fonseca’s potential, drawing parallels with Sinner’s rise. “Joao is quite similar to Sinner, he just has to learn when to unleash his full power and when to play more conservatively. The moment he finds the right balance, he will no longer have limits,” Federer remarked. The endorsement from a 20-time Grand Slam champion underscores the high expectations surrounding Fonseca, who, like Sinner, is seen as a future contender for the sport’s biggest prizes.
As the ATP Tour barrels toward the first Masters 1000 of the year, all eyes will be on Indian Wells to see which doubles teams make the cut and which young stars continue their ascent. Sinner’s journey—whether on the singles or doubles court—remains one of the most compelling stories in tennis. For now, fans will have to wait and watch if the Sinner-Opelka partnership gets another chance to shine, while the singles draw promises its own share of drama and excitement.
With the tennis season in full swing and the Winter Olympics providing added inspiration, the coming weeks are set to test the mettle and versatility of the sport’s brightest talents. Whether it’s on the sun-baked courts of Doha, the hard courts of Indian Wells, or the snowy slopes of Italy, Jannik Sinner’s name is never far from the spotlight.