Katie Taylor will step back into the ring in November to face Spaniard Miriam Gutierrez.
Taylor got past Delfine Persoon in a gruelling encounter in the Matchroom Fight Camp in London last month to remain the undisputed women's lightweight world champion.
Gutierrez has won all 13 of her pro fights and is a mandatory challenger, having claimed the interim WBA belt last November with a defeat of Venezuelan Keren Batiz.
"Katie Taylor has to fight the mandatory [challenger] next, the WBO mandatory, which is Guttierez," promoter Eddie Hearn told Boxing Social.
"That will be on a standalone card in November. That will have three world title fights on it in total.
"I spoke to Katie Taylor about an all-women's card. I thought that was a really good idea. Katie Taylor looked at me like she wanted to punch me when I said that. When I started thinking about it, I understand what's she's saying.
"What they're fighting for, away from the world championship, is equality. It's not women's boxing and men's boxing – it's boxing.
"So actually, when I started thinking about it, listening to what she said, I realised that a women's-only card is detrimental in my opinion to the growth of what we're trying to do."
Hearn also admitted he'd like to see Taylor partake in a Conor McGregor-Floyd Mayweather style crossover fight at some point in the future, with Brazilian-American MMA star Cris Cyborg suggested as an ideal opponent.
"I'd like Katie Taylor against Cyborg. I think that's a huge crossover fight, two of the biggest female stars in combat sport. Cyborg can box, she hits very, very hard. She's very dangerous. I like that fight as well.
"Katie is the easiest person to deal with, honestly. She just wants the biggest fights she can possibly get."