Vanessa Posso, mom to Tank's daughter, took to social media on Friday and seemingly did a complete 180, writing ... "These past days have been hurtful and extremely exhausting for all parties involved."

"I pride myself on being extremely private; this situation was the last thing I wanted to be made public. The state of our relationship has been in a fragile space, and Gervonta and I were both at fault for the argument."

Posso continued ... "Today, we have sought the help necessary to move forward with our lives. I am confident that we will succeed within our co-parenting dynamic with the counseling provided to us."

As we previously reported, 28-year-old Davis was arrested and booked in Broward County (Florida) on Tuesday on a battery domestic violence charge.

According to court docs, police say Davis "did actually and intentionally touch and strike" the woman "against her will" and "did intentionally cause bodily harm to her."

Law enforcement authorities also said Gervonta struck his accuser on the right side of her head with "a closed hand type of slap," causing the woman to suffer a facial injury and an abrasion on the inside of her upper lip.

However, the 27-0 (25 KO) boxer adamantly denied the accusations against him from the start, saying ... "I NEVER PUT MY HANDS ON MY CHILD MOTHER NOR MY F***ING DAUGHTER ARE YOU F***ING CRAZY!!" -- while insisting the whole ordeal was nothing more than a money grab by his accuser.

In fact, Davis contends the only reason the woman -- who claimed she was in fear for her life -- called the police in the first place was because she was pissed he wouldn't let her use his truck.