He then moved to the United States to play college basketball for the Nebraska Cornhuskers and Hawaii Rainbow Warriors.
After going undrafted in the 2014 NBA draft, he returned to Germany where he was named ProA Player of the Year during his stint with Rasta Vechta.
In 2021 he was traded to Barangay Ginebra San Miguel, winning the 2021 Governors' and 2022–23 Commissioner's Cups, and was named Finals MVP in the latter.
Despite being born to a Filipino mother, Standhardinger is classified by FIBA as a naturalized player, since he acquired his Philippine passport after he turned 16 years old.
During his freshman season, he had to sit out the first 15 games due to NCAA's ruling since he played for a professional team in Germany before heading to the United States for college.
During his sophomore year, Standhardinger was suspended by his coach Doc Sadler after playing only 6 games into the season for academic reasons.
[12] On 2015, Standhardinger returned to ProA and signed with the SC Rasta Vechta during offseason where he won his first MVP award.
[13] Standhardinger signed a contract with Hong Kong Eastern of the ASEAN Basketball League as their Heritage import.
[16] He missed the entire 2017–18 PBA Philippine Cup while he played out his contract with the Hong Kong Eastern in the Asean Basketball League.
[29] After Andray Blatche pulled out for the 2017 FIBA Asia Cup due to security concerns over the militant situation in the host country Lebanon,[30] Standhardinger replaced him as the Philippine team's naturalized player.
[32] In June 2018, Standhardinger suited up for the Philippines for the FIBA 3x3 World Cup which the country hosted despite a lingering knee injury.
Weeks after the 2018 Asian Games, Standhardinger suited up for the revamped Philippine team under Coach Yeng Guiao.