The organization of the bantamweight bout was reported by informed sources close to the situation.
Irina Alekseeva, 33, completed her record with a fifth pro win on April 29, when she finished Swiss-born Stephanie Egger with a knee lever in the first round at UFC on ESPN 45 in Las Vegas.
31-year-old Melissa Dixon is undefeated and also has five professional victories to her credit, the last of which she won in November last year, finishing Russian Daria Zheleznyakova by TKO in the first round.