The 2019 Oracle Challenger Series – Newport Beach was a professional tennis tournament played on outdoor hard courts.

It was the second edition of the tournament, which is part of the 2019 ATP Challenger Tour[1] and the 2019 WTA 125K series.

[2] It took place from January 21–27, 2019 in Newport Beach, United States.

The following players received wildcards into the singles main draw: The following player received entry into the singles main draw as an alternate: The following players received entry from the qualifying draw: The following player received entry as a lucky loser: The following players received wildcards into the singles main draw: The following players received entry from the qualifying draw: The following pair received wildcard into the doubles main draw: