The 2018 Stockton Challenger was a professional tennis tournament played on outdoor hard courts. It was the third and fourth editions of the tournament and was part of the 2018 ATP Challenger Tour and the 2018 ITF Women's Circuit. It took place in Stockton, United States, on 1–7 October 2018. Men's singles main draw entrants Seeds 1 Rankings are as of September 24, 2018. Other entrants The following players received wildcards into the singles main draw: Jenson Brooksby Tom Fawcett Philip Hjorth Thai-Son Kwiatkowski The following player received entry into the singles main draw as a special exempt: James Duckworth The following player received entry into the singles main draw as an alternate: Kaichi Uchida The following players received entry from the qualifying draw: William Blumberg Patrick Kypson Tommy Paul Alexander Sarkissian Women's singles main draw entrants Seeds 1 Rankings as of 1 October 2018. Other entrants The following players received a wildcard into the singles main draw: Hayley Carter Victoria Duval Jamie Loeb Danielle Willson The following players received entry into the singles main draw using a junior exempt: Whitney Osuigwe The following players received entry from the qualifying draw: Maegan Manasse Sanaz Marand Amra Sadiković Katie Volynets The following player received entry as a lucky loser: Jennifer Elie Champions Men's singles Lloyd Harris def. Marc Polmans 6–2, 6–2. Women's singles Madison Brengle def. Danielle Lao, 7–5, 7–6(12–10) Men's doubles Darian King / Noah Rubin def. Sanchai Ratiwatana / Christopher Rungkat 6–3, 6–4. Women's doubles Hayley Carter / Ena Shibahara def. Quinn Gleason / Luisa Stefani, 7–5, 5–7, [10–7] External links 2018 Stockton Challenger at ITFtennis.com Official website 2018 ITF Women's Circuit 2018 ATP Challenger Tour 2018 in American sports Tennis tournaments in the United States