Darja Semeà Âistaja (born 16 September 2002) is a Latvian tennis player. She has career-high WTA rankings of world No. 87 in singles, achieved on 27 October 2025, and No. 119 in doubles, reached on 8 September 2025. She has won two singles and two doubles titles on the WTA Challenger Tour.
Playing for Latvia Billie Jean King Cup team, she has a win-loss record of 4âÂÂ6.
She has also won 16 singles and ten doubles titles on the ITF Circuit.
In 2021, Semeà Âistaja won the most singles trophies on the ITF Women's World Tour, a total of seven titles. She won the first two in Serbia, winning Prokuplje's 15k events for two weeks in a row, then the third in Bratislava in mid-July, the fourth in Chornomorsk, Ukraine, at the end of August, and finally three in Cancún, Mexico in October.
Alongside Veronika Erjavec, Semeà Âistaja won the doubles title at the Canberra Tennis International, overcoming Kaylah McPhee and Astra Sharma in the final.
She won her first WTA 125 singles title at the Mumbai Open in February, defeating Storm Hunter in the final. Partnering Carole Monnet, Semeà Âistaja won the doubles title at the ÃÂiriac Foundation Trophy, defeating Aliona Bolsova and Katarzyna Kawa in the final.
Partnering Nina StojanoviÃÂ, Semeà Âistaja reached the doubles final at the Canberra International for the second successive year, losing to Jaimee Fourlis and Petra Hule in a deciding champions tiebreak.
She qualified to make her major debut at the US Open, losing to Peyton Stearns in the first round.
Semeà Âistaja reached the top 100 at world No. 90 in the rankings on 20 October 2025, following her title run at the Les Franqueses del Vallès W100 event. She became the 26th player to reach the milestone in the 2025 season.