250 ATP Challenger Tour
Christoph Negritu’s Dual Rise in Singles and Doubles on the ATP Challenger Tour
German player Christoph Negritu excels in singles and doubles with ATP Challenger success and linguistic skill.
At the age of 31, German tennis player Christoph Negritu is experiencing the peak of his career in both singles and doubles, thanks in large part to the ATP Challenger Tour and his dedication on and off the court. Born in Dinkelsbühl, Bavaria, Negritu has achieved career-best rankings this year, climbing to World No. 273 in singles and World No. 115 in doubles.
Negritu’s approach balances both disciplines. “The focus is on both,” he explained during the BRAWO Open in Braunschweig. “In the past, I was more focused on doubles because I had the better ranking there. But the plan was always to never fully drop singles.”
His doubles success has been particularly notable, especially with his long-time partner Alexander Merino from Peru. Together, they have won four ATP Challenger titles, including two in 2025 on Tenerife and in Barletta, Italy. Negritu credits their partnership to a deep mental connection: “What makes us strong is our mental stability. We don’t give up easily and we always give everything. We’ve played together for a long time, and that builds a strong bond.”
Their collaboration began in 2015 at ITF Futures tournaments in Tunisia, and despite setbacks like injuries and periodic splits on tour, they have been a full-time team for two years, becoming “inseparable.” Negritu also highlighted the support they provide each other off the court: “Alexander supports me in singles, watches my matches, and then we play doubles together. That unites us and really helps in the tough moments, when you feel you’re playing not just with but for each other.”
Negritu’s rise in singles has been fueled by perseverance through smaller events after a ranking dip. “In 2024 we fought our way back up through the Futures. Our tennis kept improving, and then it clicked at the Challenger level in singles as well. I even made the final in Japan.” This country holds special importance for Negritu, who is a passionate fan of Japanese culture, baseball star Shohei Ohtani, and manga. “It’s crazy that with my job I can live out dreams like traveling to Japan,” he said. “It was a once-in-a-lifetime experience.”
Off the court, Negritu combines his tennis career with intellectual curiosity, having studied philosophy at the University of Tübingen. “After turning pro, it was a good balance to have something outside tennis. I was interested in philosophy, but the main focus always remained tennis. It had to be Plan A so that I could give 110 percent at every tournament.”
Moreover, Negritu stands out linguistically. Fluent in five languages—German, English, French, Romanian, and increasingly Spanish—he credits Merino for much of his language learning progress: “Alexander helped me a lot, and I also taught myself. I can understand conversations pretty well now. Speaking is still a bit hard, but it’s getting better day by day, and I’d definitely survive in Spain.”
His tennis roots trace back to an early age, inspired by his mother, a former top-division player. “I hit my first balls when I was two years old. I played my first tournaments at five. But my parents never pressured me. I just enjoyed it.”
Now training at the TWA Academy in Stuttgart since late 2023, Negritu considers this a pivotal move: “Since I started training there, things have been going really well. The guys must be doing something right. It was important for me to find a base where I could train and feel comfortable.”
250 Chennai Open WTA
Janice Tjen wins maiden WTA title in Chennai, first Indonesian WTA champion since 2002
Janice Tjen won her first WTA title in Chennai, becoming the third Indonesian WTA champion. 2025 win
Janice Tjen captured her first WTA title by defeating Kimberly Birrell 6-4, 6-3 in the Chennai Open final on Sunday. The 23-year-old recorded the biggest victory of her career and became only the third Indonesian to lift a WTA singles trophy in the Open Era.
The only other Indonesian WTA champions are Yayuk Basuki, who won six titles between 1991 and 1994, and Angelique Widjaja, who collected two titles, in Bali in 2001 and in Pattaya City in 2002. Widjaja’s Pattaya City triumph came in November of 2002, the same week as that year’s WTA Finals, when Kim Clijsters defeated Serena Williams for the title. Tjen was five months old at the time.
Tjen had reached her first WTA final in September in Sao Paulo, finishing runner-up to France’s Tiantsoa Rakotomanga Rajaonah. A few weeks after that run in Brazil, Tjen broke into the Top 100, becoming the first player to crack that elite since Widjaja in 2004.
Her victory in Chennai will bring a significant ranking jump. She’s now projected to rise from No. 82 to just outside the Top 50, a career milestone that reflects rapid progress this season.
© 2025 Robert Prange
250 Ningbo WTA
Rybakina rallies from a set down to win Ningbo Open
Rybakina rallied from a set down to defeat Ekaterina Alexandrova, winning the Ningbo title. In 2025
Elena Rybakina recovered from a sluggish start to take the Ningbo Open title, coming back from a set down to beat Ekaterina Alexandrova 3-6, 6-0, 6-2. The third-seeded Rybakina trailed 4-1 early in the first set but shifted momentum with a decisive response in the second.
Rybakina used a powerful serve to impose her game and put pressure on the fourth-seeded Alexandrova. Her service performance featured 11 aces, a key element as she moved from a set deficit to control the match and close out the victory in the third set.
The scoreline reflected a clear turnaround: after dropping the opener 6-3, Rybakina produced a bagel in the second set and maintained the upper hand in the decider, limiting opportunities for her opponent and converting the chances she created.
It was the second title of the year for the Kazakhstan player who also won in Strasbourg and the 10th of her career.
The win in Ningbo added another trophy to Rybakina’s season and underlined her capability to recover quickly in a final when faced with early setbacks. Alexandrova, the fourth seed, started strongly but could not sustain the level required once Rybakina elevated her serve and aggression.
Rybakina’s performance combined serve potency and a string of unreturned deliveries that shifted the match after the opening set. The Ningbo title marks another notable result as she continues through the 2025 season.
250 Japan Open WTA
Fernandez prevails in three sets; will face teen Valentova in Japan Open final
Fernandez tops Cîrstea; 18-year-old Valentova into her first WTA final after semifinal wins. Sunday.
Leylah Fernandez reached the Japan Open final after a three-set victory over Sorana Cîrstea, prevailing 6-1, 2-6, 6-4. Fernandez recovered from a 3-1 deficit in the deciding set, breaking Cîrstea at 4-4 and then holding serve to close out the match.
The fourth-seeded Canadian advances to her eighth career final. Fernandez is the 2021 U.S. Open runner-up and this season made her only semifinal run at the WTA 500 D.C. Open, where she defeated Anna Kalinskaya in the final for her fourth WTA singles title.
Fernandez will meet 18-year-old qualifier Tereza Valentova in Sunday’s championship match. Valentova, the 2024 Roland Garros junior champion, reached her first WTA final by beating Jaqueline Cristian 6-7 (3), 6-4, 6-3 in the other semifinal.
Cristian reached the semifinals after receiving a walkover in her quarterfinal when top-seeded Naomi Osaka pulled out with a left leg injury on Friday.
Fernandez’s win over Cîrstea combined a dominant opening set with a resilient finish, responding after dropping the second set and then mounting the comeback in the third. Valentova’s run as a qualifier and former junior champion sets up a contrast in styles and experience for the final, as an established tour veteran faces an 18-year-old making her first WTA title match appearance.
Sunday’s final will pair Fernandez’s tour experience and previous Grand Slam final appearance with Valentova’s breakthrough week at the Japan Open. The stage is set for a final that will decide the tournament champion and extend both players’ seasons in 2025.
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