[4] At the junior level, Fruhvirtová won the singles and doubles titles of the Petits As tournament.

[4][9] She progressed through the quarterfinals by defeating Emma Navarro in straight sets in the next round, before losing to eventual champion Astra Sharma.

[citation needed] She ended season reaching quarterfinals at the WTA 125 Korea Open, before losing to Ekaterina Kazionova, in three sets.

[citation needed] Fruhvirtová received a main-draw wildcard for the Miami Open to make her debut at the WTA 1000 level.

[16] At the Chennai Open, she won her first WTA Tour title when she beat Magda Linette in the final, in three sets.

[18] On her debut at the Australian Open, she reached the fourth round of this major defeating Jaimee Fourlis,[19] Kimberly Birrell[20] and Markéta Vondroušová,[21] before losing to Donna Vekić.

[25] At the Nottingham Open, she qualified for the main draw and defeated Lily Miyazaki,[26] before losing to top seed Ons Jabeur in the second round.

[27] She reached the same stage at the Jiangxi Open with a win over Kathinka von Deichmann[28] but lost to sixth seed Arantxa Rus.