“He is the only one”: Inside Coco Gauff’s bond with boyfriend Jalen Sera after her US Open heartbreak against Naomi Osaka

Coco Gauff, the 20-year-old American tennis star, received warm support from her boyfriend Jalen Sera after her 2025 US Open exit in New York. Gauff lost in the fourth round at Arthur Ashe Stadium to two-time champion Naomi Osaka, who returned strongly this season.

Days later, Coco Gauff posted a thank-you note to fans on Instagram, sharing her gratitude for the journey. Sera, who has been with Gauff for two years, replied with an encouraging message that reminded her to keep moving forward despite the heartbreak.

Coco Gauff’s boyfriend Jalen Sera cheers her after US Open exit in New York

After the match on September 2, 2025, where Naomi Osaka defeated her in straight sets, Coco Gauff reflected on her run at the US Open. She shared a picture of herself walking into Arthur Ashe Stadium with fans watching her from the stands. Her caption read: “thank you nyc we keep building.”Her boyfriend, Atlanta-based artist Jalen Sera, quickly responded under the post with the words: “Upwards and onwards.” The message caught the attention of many of Coco Gauff’s fans, who praised the couple’s bond.

This support came just days after the pair were photographed together outside Coco Gauff’s New York hotel following her defeat. While the loss was tough, especially since she had shown signs of improvement in her service game with help from biomechanical expert Gavin MacMillan, Coco Gauff’s focus has been on learning and improving.

She had earlier beaten Ajla Tomljanovic, Donna Vekic, and Magdalena Frech before falling to Osaka.

Coco Gauff shares how boyfriend Jalen Sera helps her after tough matches

Coco Gauff has spoken openly this year about how Jalen Sera plays a role in her career and personal life. In an interview with E! News earlier in 2025, she explained how he helps her handle both wins and losses. “Honestly, after a good match, I just talk to my boyfriend, my friends, everyone, cause I’m in a good mood. When I lose, I would say just my boyfriend ’cause he is the only one that can take me and my mood after a loss,” Gauff said.Also Read: “I Am So Sad”: Martina Navratilova Mourns Duchess Of Kent Katharine And Recalls Emotional Wimbledon Bond That Changed Her LifeShe revealed that Jalen Sera often reminds her to “trust the process” and to look at her progress instead of only focusing on mistakes. Their bond goes back years, as Sera once studied in Atlanta, where Gauff’s mother was his teacher in fourth grade.So far in 2025, Coco Gauff has a record of 38 wins and 13 losses, highlighted by a French Open title in June. While her service game remains a challenge, she continues to rely on her team, her parents, and the steady support of Jalen Sera to stay positive as she works toward more Grand Slam success.