TAMPA, Fla. (Interstat) — Jevin Relaford delivered a walk-off single in the bottom of the 10th inning Friday night, lifting South Florida to a 7-6 victory over Wichita State at USF Baseball Stadium in an American Athletic Conference game.

The Bulls improved to 32-20 overall and 32-20 in the American while the Shockers fell to 24-27 and 24-27. South Florida took the series opener one night earlier, 4-1, and the teams meet again Saturday in the second game of the three-game set.

Relaford finished two for six with three runs batted in, capping a game that featured five lead changes after a scoreless first four innings. His decisive hit came with the bases loaded and one out in the 10th, a sharp grounder through the left side that scored pinch runner Ben Lohry from third.

The game began as a pitcher’s duel between Wichita State’s Caleb Reed and South Florida’s Michael Senay. Reed allowed no hits and struck out two over 4 1/3 innings but was charged with four earned runs. Senay yielded five hits and three earned runs in five innings.

South Florida broke through in the bottom of the fifth. Pruitt walked and scored on Jackson Mirza’s double down the right-field line. Relaford followed with a two-run double to left center, and Lutz added an RBI single, giving the Bulls a 4-0 lead. Reed was relieved by Heitaro Hayashi, who recorded the final two outs of the inning.

Wichita State responded in the sixth. Rodriguez singled and scored on Jones J.’s RBI single to right. After Senay was replaced by Edwin Alicea, Gustafson scored on a wild pitch and Quick singled to center to bring home Jones. Gutierrez then reached on a fielder’s choice that plated another run, tying the game at 4-4. The Shockers took a 6-4 lead in the seventh. Rush walked and eventually scored on a fielder’s choice by Washburn. Gutierrez followed with a two-run single through the right side.

South Florida tied it in the bottom of the seventh. Mirza singled, Lutz doubled and Earley was hit by a pitch to load the bases. Kulikowski, pinch hitting for Rose, singled through the right side, driving in two runs to make it 6-6. The Bulls had a chance to take the lead later in the inning but left the bases loaded.

Both bullpens held in the eighth and ninth. Wichita State’s Brady Hamilton worked 4 1/3 innings, allowing no hits and three earned runs while striking out five. South Florida’s Ethan Sutton pitched 4 2/3 innings, surrendering two hits and three earned runs with six strikeouts.

In the 10th, Wichita State went down in order. South Florida’s Lohry led off with a single up the middle, Green singled to right center and Mirza walked to load the bases. Relaford then ended it with his grounder to shortstop.

Jacob Gutierrez drove in three runs for Wichita State, and Jones and Quick each had two hits. For South Florida, Mirza went three for four with an RBI and a run scored. Kulikowski had two RBIs as a pinch hitter.

Interstat’s game simulator projected a final score of Wichita State 3, South Florida 2, while Interstat’s ELO system gave South Florida a 57.40 percent probability to win.