The champions for the last 15 tournaments are immortalized below.
- Groverpalooza, Sonic Temple Festival, OH
Winner - Robert Smith III with a total score of 168.
- The Grover Invitational 2022, Atlantic City, NJ
Winner - Peter Vinch with a total score of 175.
- The Grover Invitational 2019, Atlantic City, NJ
Winner - Peter Vinch with a total score of 175.
- The Grover Invitational 2018, Atlantic City, NJ
Winner - Robert Smith III with a total score of 80.
- The Grover Invitational 2017, Greater Pennsylvania
Winner - Greg Picarello with a total score of 164.
- The Sans Grover (sponsored by Verizon), Crystal Springs, NJ
Winner - Neil Schoenberg with a total score of 254.
- The Grover Invitational 2015, Atlantic City, NJ
Winner - Peter Vinch with a total score of 172.
- The Grover Invitational 2014, Turning Stone, NY
Winner - Chris Grove with a total score of 174.
- The Sans Grover Invitational 2013, Pinehurst, NC
Winner - Peter Vinch with a total score of 173.
- The Grover Regional Invitational, Allentown, PA
Winner - Chris Grove with a total score of 158.
- The Sans Grover Invitational, Wilmington, DE
Winner - Peter Vinch with a total score of 162.
- The Grover Invitational 2010, Sixburgh, PA
Winner - Chris Grove with a total score of 249.
- The 3rd Annual Grover Invitational, Wheeling, WV
Winner - Chris Grove with a total score of 167.
- The 2nd Annual Grover Invitational, Atlantic City, NJ
Winner - Jon Riba with a total score of 164.
- The Inaugural Grover Invitational, Tampa, FL
Winner - Neil Schoenberg with a total score of 350.