In her first year as the head coach for the Titans, Coach Huynh-McClain led the Titans to a 15-8 overall record and 6-3 record in the Big West.  The Titans ended up in a five-way tie for second place but were named the fifth overall seed at the Big West Tournament.  The Titans were eliminated in the quarterfinals round of the Big West Championships against No. 4 Long Beach State

In her first year as Head Coach, the Titans had three players earn All-Big West accolades. Zoe Olmos was named to the All-Big West First Team, Natalie Duffy was named to the All-Big West Second Team, and the doubles pairing of Duffy and Camila Garcia were given All-Big West Honorable Mention honors. The Titans were also named a 2023 ITA All-Academic Team.

Huynh-McClain came to Cal State Fullerton after serving as the assistant coach of the women's tennis program at Kansas State for the 2022 season and the previous three seasons at Washington State (2018-21).

During her sole year in Manhattan, Kansas the Wildcats finished the regular season as the No. 53 team in the country with a 10-13 overall record. Their season came to an end in the quarterfinals against the top seeded Oklahoma Sooners in the Big 12 Championships.

Huynh-McClain coached Maria Linares to multiple awards including the Big 12 Scholar Athlete of the Year in tennis, the ITA Central Region Most Improved Senior, and the All-Big 12 Second Team in Singles. The Wildcats were also named to the Intercollegiate Tennis Association (ITA) All-Academic team with six members being named as ITA Scholar Athletes.

Prior to her time at Kansas State, at her alma mater Washington State, she helped the Cougars to 44 wins and the school's first trip (2019) to the NCAA Championships in seven years. The 19 wins in 2019 were the second-most in school history and included a victory over 10th-ranked UCLA. In addition, WSU was a regular in the national rankings during Huynh-McClain's tenure, including a climb to a program-best ITA No. 15 ranking in 2018.

During the Cougars' run to the NCAA Championships in 2019, Huynh-McClain helped coach an individual (Michaela Bayerlova) and a doubles team (Tiffany Mylonas/Hikaru Sato) to bids to the NCAA Championships, where Mylonas and Sato helped deliver the school's first victory in the doubles' championships. Bayerlova (2019, 2021) and Mylonas (2019) each earned All-Pac-12 honors under Huynh-McClain's direction, including First Team honors for Bayerlova in 2019, while Sato was the ITA Northwest Region Rookie of the Year in 2019.

Academically, the Cougars recorded their highest team GPA in program history in Spring 2020 and had the highest team GPA among all sports at WSU. The team earned the ITA All-Academic Award in 2019 and 2020 while also having five ITA Scholar-Athletes and four Pac-12 All-Academic Honor Roll student-athletes.

"Trang really stood out through the hiring process and was the best fit for Cal State Fullerton and the women's tennis team," said Search Committee Chair Greg Paules.

Prior to her time in Pullman, Huynh-McClain served as the women's tennis graduate assistant coach at Northern Illinois from January 2017 to May 2018. She helped NIU advance to the program's first-ever MAC Championships and coached the Huskies' first-ever MAC Freshman of the Year in 2017. She also contributed to the school's first-ever Jacoby Trophy, the MAC's top women's athletic program award.

During Huynh-McClain's time at NIU, she coached two First Team All-MAC selections, a two-time MAC Singles Player of the Week winner and a four-time MAC Doubles Team of the Week pair.

The Huskies recorded the highest APR score in the MAC in 2017 and had three student-athletes named to the Academic All-MAC Team in 2017 and 2018. Huynh-McClain mentored a MAC Distinguished Scholar Athlete and an ITA All-Academic Team honor with five recipients awarded an ITA Scholar-Athlete accolade.

Before heading to NIU, Huynh-McClain was a student assistant coach at Washington State from August to December 2016. She assisted with court coaching during competition and practice, planned and coordinated community service and fundraising activities and helped with team travel.

Huynh-McClain finished her playing career at WSU in 2016 with the third-most singles victories (32) in school history after starting her career at Troy. She opened her lone season on the Palouse with 14-straight wins while also clinching a team-best six victories. She also posted 22 double victories and capped her senior season by earning ITA Scholar-Athlete honors. In addition, she was a member of the WSU All-Academic Team, President's Honor Roll and WSU's Senior Excellence in Academics Ward.

In her two seasons (2013-15) at Troy, Huynh-McClain was twice selected to the All-Sun Belt First Team in both singles (2014, 2015) and doubles (2014, 2015) and was the 2015 Sun Belt Player of the Year.

Outside of Huynh-McClain's coaching career, she was the captain of the Vietnam Women's Fed Cup Team in 2013 and represented the Vietnam National Team at the Asian Games and Southeast Asian Games from 2009-16. She helped the national team to a bronze medal at the 2010 Southeast Asian Games, along with earning bronze-medalist honors in singles, doubles, mixed-doubles and team. She was the No. 1 women's tennis player in Vietnam from 2009-16 and earned a WTA high ranking of 876 in singles and 380 in doubles.