3 Elimination Chamber matches this year?

The Elimination Chamber pay-per-view takes place in less than 14 days and things are quickly taking shape. WWE usually hold 2 Elimination Chamber matches at the PPV but this year, it looks like there will be 3 matches inside the structure.
WWE have confirmed that there will be a #1 contender's match for the RAW Women's title inside the chamber. The winner gets an opportunity to face Becky Lynch at WrestleMania and Shayna Baszler is currently the favourite to win it.
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Lacey Evans confirmed on SmackDown that she was going to be a part of a chamber match as well. She claimed that she was ready to take out the other 5 women in the match to earn an opportunity to face Bayley for the SmackDown title.
Meanwhile, the Wells Fargo Center arena is advertising a Men's Elimination Chamber match! The advertisement shows 6 SmackDown Superstars battling inside the chamber for an opportunity to face the WWE Universal Champion (The Fiend Bray Wyatt or Goldberg) at WrestleMania.