LAS VEGAS -- The semifinals are set at the Cliff Keen Las Vegas Invitational after a wild opening day filled with upsets at the Westgate Paradise Event Center. Iowa State sits in first place in the team standings after winning 19 matches with bonus points. The Cyclones ended the day with 88.5 points and have four semifinalists: Evan Frost (133), David Carr (165), Will Feldkamp (184) and Yonger Bastida (285).

Ohio State sits in second with 86 points and three semifinalists. Nebraska (82.5), Cornell (73) and North Carolina State (72) round out the top five.

Below are the quarterfinal results and semifinals matchups.

Quarterfinal Results

125:
Nico Provo (Stanford) dec. No. 3 Matt Ramos (Purdue), 8-1
No. 19 Jore Volk (Wyoming) dec. No. 7 Caleb Smith (Nebraska), 4-2
No. 13 Brett Ungar (Cornell) dec. No. 18 Brandon Kaylor (Oregon State), 2-1 TB
No. 6 Michael DeAugustino (Michigan) dec. Tanner Jordan (South Dakota State), 6-3

133:
No. 5 Kai Orine (North Carolina State) dec. Gabe Whisenhunt (Oregon State), 6-4
Derrick Cardinal (South Dakota State) maj. dec. No. 11 Dom Zaccone (Campbell), 14-3
Tyler Knox (Stanford) dec. Reece Witcraft (Oklahoma State), 2-1
No. 9 Evan Frost (Iowa State) maj. dec. Zeth Romney (Cal Poly), 16-3

141:
No. 3 Lachlan McNeil (North Carolina) dec. No. 12 Anthony Echemendia (Iowa State), 9-6
No. 4 Ryan Jack (North Carolina State) maj. dec. No. 11 Cael Happel (Northern Iowa), 15-6
No. 7 Jesse Mendez (Ohio State) tech. fall No. 13 Vince Cornella (Cornell), 18-1
No. 4 Brock Hardy (Nebraska) dec. Tagen Jamison (Oklahoma State), 4-0

149:
No. 1 Ridge Lovett (Nebraska) dec. No. 8 Quinn Kinner (Rider), 13-6
No. 6 Dylan D'Emilio (Ohio State) dec. No. 7 Jackson Arrington (North Carolina State), 9-8
No. 4 Caleb Henson (Virginia Tech) dec. No. 5 Chance Lamer (Cal Poly), 10-6
No. 3 Kyle Parco (Arizona State) dec. No. 13 Casey Swiderski (Iowa State), 4-2

157:
No. 3 Peyton Robb (Nebraska) maj. dec. No. 15 Cael Swensen (South Dakota State), 10-0
No. 8 Will Lewan (Michigan) dec. No. 18 Peyten Kellar (Ohio), 5-2
No. 9 Daniel Cardenas (Stanford) dec. No. 10 Meyer Shapiro (Cornell), 8-5
No. 6 Jacori Teemer (Arizona State) dec. Ryder Downey (Northern Iowa), 7-2

165:
No. 2 David Carr (Iowa State) maj. dec. No. 16 Garrett Thompson (Ohio), 15-3
No. 7 Julian Ramirez (Cornell) pinned No. 11 Matt Olguin (Oregon State), 2:48
No. 4 Izzak Olejnik (Oklahoma State) dec. Giano Petrucelli (Air Force), 8-1
No. 3 Cam Amine (Michigan) dec. Brevin Casella (Binghamton), 4-2

174:
Danny Wask (Navy) dec. Lorenzo Norman (Stanford), 5-0
No. 9 Travis Wittlake (Oregon State) by injury default over No. 10 Adam Kemp (Cal Poly)
No. 12 Cade DeVos (South Dakota State) maj. dec. MJ Gaitan (Iowa State)
No. 6 Carson Kharchla (Ohio State) dec. Austin Murphy (Campbell), 6-0

184:
No. 1 Parker Keckeisen (Northern Iowa) maj. dec. No. 14 Gavin Kane (North Carolina), 13-3
No. 7 Lenny Pinto (Nebraska) dec. No. 5 Dustin Plott (Oklahoma State), 12-10
No. 18 Sam Wolf (Air Force) dec. No. 9 Gavin Hoffman (Ohio State), 4-1
No. 8 Will Feldkamp (Iowa State) pinned No. 3 Trey Munoz (Oregon State), 2:21

197:
No. 3 Tanner Sloan (South Dakota State) dec. No. 18 Max Shaw (North Carolina), 2-0
No. 14 Jaxon Smith (Maryland) by medical forfeit over No. 10 Luke Surber (Oklahoma State)
No. 6 Jacob Cardenas (Cornell) tech. fall No. 9 Silas Allred (Nebraska), 17-1
No. 5 Trent Hidlay (North Carolina State) tech. fall Evan Bockman (Utah Valley), 21-5

285:
No. 3 Lucas Davison (Michigan) maj. dec. No. 18 Hunter Catka (Virginia Tech), 11-2
No. 9 Taye Ghadiali (Campbell) dec. No. 14 Owen Trephan (North Carolina State), 2-1
No. 11 Grady Griess (Navy) by injury default over No. 20 Konner Doucet (Oklahoma State)
No. 7 Yonger Bastida (Iowa State) maj. dec. No. 17 Nick Feldman (Ohio State), 13-5

Semifinal Matchups

125:
No. 19 Jore Volk (Wyoming) vs. Nico Provo (Stanford)
No. 6 Michael DeAugustino (Michigan) vs. No. 13 Brett Ungar (Cornell)

133:
No. 5 Kai Orine (North Carolina State) vs. Derrick Cardinal (South Dakota State)
No. 9 Evan Frost (Iowa State) vs. Tyler Knox (Stanford)

141:
No. 3 Lachlan McNeil (North Carolina) vs. No. 4 Ryan Jack (North Carolina State)
No. 4 Brock Hardy (Nebraska) vs. No. 7 Jesse Mendez (Ohio State)

149:
No. 1 Ridge Lovett (Nebraska) vs. No. 6 Dylan D'Emilio (Ohio State)
No. 3 Kyle Parco (Arizona State) vs. No. 4 Caleb Henson (Virginia Tech)

157:
No. 3 Peyton Robb (Nebraska) vs. No. 8 Will Lewan (Michigan)
No. 6 Jacori Teemer (Arizona State) vs. No. 9 Daniel Cardenas (Stanford)

165:
No. 2 David Carr (Iowa State) vs. No. 7 Julian Ramirez (Cornell)
No. 3 Cam Amine (Michigan) vs. No. 4 Izzak Olejnik (Oklahoma State)

174:
No. 9 Travis Wittlake (Oregon State) vs. Danny Wask (Navy)
No. 6 Carson Kharchla (Ohio State) vs. No. 12 Cade DeVos (South Dakota State)

184:
No. 1 Parker Keckeisen (Northern Iowa) vs. No. 7 Lenny Pinto (Nebraska)
No. 8 Will Feldkamp (Iowa State) vs. No. 18 Sam Wolf (Air Force)

197:
No. 3 Tanner Sloan (South Dakota State) vs. No. 14 Jaxon Smith (Maryland)
No. 5 Trent Hidlay (North Carolina State) vs. No. 6 Jacob Cardenas (Cornell)

285:
No. 3 Lucas Davison (Michigan) vs. No. 9 Taye Ghadiali (Campbell)
No. 7 Yonger Bastida (Iowa State) vs. No. 11 Grady Griess (Navy)