Badosa, ranked No 62, will play the winner of the match between Belarusian Aryna Sabalenka, the top seed, and Marie Bouzkova next.
Ahead of her victory, the Spaniard beat American Sofia Kenin (6-1, 7-6 (6)), Russian Liudmila Samsonova, the No 3 seed (6-2 ret.) and wildcard Emma Raducanu (4-6, 7-5, 6-4).
Dolehide, ranked No 49, defeated Ukrainian Lesia Tsurenko (6-1, 3-6, 6-4), Russian Daria Kasatkina, the second seed (2-6, 7-5, 6-0) and qualifier Amanda Anisimova (7-6 (5), 6-1) earlier in the tournament.
Washington WTA 500, other semi-final result (William H.G. FitzGerald Tennis Center, hard, USD 922.573):
Frances Tiafoe Jamie Squire/Getty Images Just days after rubbing shoulders with Taylor Swift and Travis Kelce, American ten
Alexander Zverev continued his strong form at the ATP Finals by moving into the semi-finals in Turin with a commanding 7-6 (5), 6-4 win over the third seed Carl
Alexander Zverev defeated Carlos Alcaraz in sensational fashion to make it through to semi-finals of the ATP Finals in Turin on Fr
Rohan Bopanna and Matthew Ebden. (File Pic - Mike Stobe/Getty Images/AFP Photo) Rohan Bopanna of India and Matthew Ebden of Australia concluded their partnersh