Gibbs, who prefers hard courts according to the ITF profile, started playing tennis when she was eight. She has been playing tournaments at the ITF Women's Circuit since June 2007 and has so far won seven singles and five doubles titles.
In 2010 and 2011 she took part in the US Open junior competitions; In 2011 she reached the semi-finals in both singles and doubles .
She appeared five times in the qualifying round of a Grand Slam tournament , but could not reach the main field that way. In 2012 and 2013 she received a wildcard from the organizer, but was eliminated in the first round. In 2014 she started there again with a wildcard and reached the third round for the first time. At the Australian Open in 2016, she defeated Klára Koukalová as a successful qualifier in round one , before she was eliminated by Kristina Mladenovic .
Nicole Gibbs caused a stir on the sidelines of the Australian Open in 2018 when she admitted that she was being treated for depression . She said that the specifics of the sport of tennis tended to worsen the symptoms she had been experiencing since high school . Due to the conditions of sport - a lot of exercise, a lot of travel and a long time away from family, friends and acquaintances - she has not been able to lead a normal family life since she was ten. Lifestyle and livelihood are constantly dependent on the results achieved and these imponderables are not conducive to mental health.