The defending men's champion Roberto Bautista-Agut is returning to compete in January's ASB Tennis Classic in Auckland.
The world number 17 backed up his Auckland success with a second ATP World Tour title for the season in Bulgaria.
He's also twice reached the round of 16 at Grand Slams this year - Australian Open and Roland Garros where he took a set off world number one Novak Djokovic.
He also reached the quarter finals of the Rio Olympics where he was beaten by eventual silver medallist Juan-Martin Del Potro.
Bautsita-Agut's signing is the first announcement and tournament director Karl Budge says it's pleasing to have the defending champion back, particularly when he is playing so well.
The ASB Classic will span for two weeks the women's tournament kicking off on January 2nd to 7th followed by the men's tournament from January 9th to 14th.