| Date | Location | Result | |
| Apr 29, 2018 | Romeoville, IL | Lewis 12, Drury 11 | Box score |
| Apr 29, 2018 | Romeoville, IL | Lewis 7, Drury 2 | Box score |
| Apr 28, 2018 | Romeoville, IL | Rockhurst 11, Lewis 1 | Box score |
| Apr 28, 2018 | Romeoville, IL | Lewis 3, Rockhurst 2 | Box score |
| Apr 25, 2018 | Romeoville, IL | Saint Xavier 11, Lewis 8 | Box score |
| Apr 25, 2018 | Romeoville, IL | Saint Xavier 9, Lewis 8 | Box score |
| Apr 24, 2018 | Romeoville, IL | Wisconsin-Parkside 4, Lewis 3 | Box score |
| Apr 24, 2018 | Romeoville, IL | Wisconsin-Parkside 6, Lewis 2 | Box score |
| Apr 22, 2018 | Quincy, IL | Quincy 4, Lewis 2 | Box score |
| Apr 22, 2018 | Quincy, IL | Quincy 9, Lewis 8 | Box score |
| Apr 21, 2018 | Kirksville, Mo. | Lewis 6, Truman State 2 | Box score |
| Apr 21, 2018 | Kirksville, Mo. | Truman State 9, Lewis 0 | Box score |
| Apr 13, 2018 | Romeoville, IL | Illinois Springfield 4, Lewis 2 | Box score |
| Apr 13, 2018 | Romeoville, IL | Lewis 11, Illinois Springfield 3 | Box score |
| Apr 09, 2018 | Rosemont, IL | Indianapolis 2, Lewis 0 | Box score |
| Apr 09, 2018 | Rosemont, IL | Indianapolis 4, Lewis 1 | Box score |
| Apr 07, 2018 | Rosemont, IL | Wisconsin-Parkside 7, Lewis 2 | Box score |
| Apr 07, 2018 | Rosemont, IL | Lewis 2, Wisconsin-Parkside 0 | Box score |
| Mar 31, 2018 | Evansville, IN | Southern Indiana 3, Lewis 1 | Box score |
| Mar 31, 2018 | Evansville, IN | Southern Indiana 6, Lewis 1 | Box score |
| Mar 30, 2018 | Louisville, KY | Bellarmine 1, Lewis 0 | Box score |
| Mar 30, 2018 | Louisville, KY | Lewis 2, Bellarmine 1 | Box score |
| Mar 25, 2018 | Romeoville, IL | Missouri-St. Louis 7, Lewis 6 | Box score |
| Mar 25, 2018 | Romeoville, IL | Missouri-St. Louis 9, Lewis 2 | Box score |
| Mar 23, 2018 | Romeoville, IL | McKendree 8, Lewis 5 | Box score |
| Mar 23, 2018 | Romeoville, IL | McKendree 9, Lewis 1 | Box score |
| Mar 18, 2018 | Rolla, Mo. | Missouri S&T 4, Lewis 3 | Box score |
| Mar 18, 2018 | Rolla, Mo. | Missouri S&T 5, Lewis 0 | Box score |
| Mar 17, 2018 | St. Charles, Mo. | Lewis 4, Maryville 3 | Box score |
| Mar 17, 2018 | St. Charles, Mo. | Lewis 4, Maryville 0 | Box score |
| Mar 11, 2018 | Clermont, FL | Lewis 3, William Jewell 2 | Box score |
| Mar 11, 2018 | Clermont, FL | William Jewell 2, Lewis 0 | Box score |
| Mar 10, 2018 | Clermont, FL | West Chester 4, Lewis 2 | Box score |
| Mar 09, 2018 | Clermont, FL | Lewis 4, Hillsdale 3 | Box score |
| Mar 09, 2018 | Clermont, FL | Lewis 5, Notre Dame (OH) 1 | Box score |
| Mar 07, 2018 | Clermont, FL | Lewis 14, Wayne State (NE) 11 | Box score |
| Mar 07, 2018 | Clermont, FL | Lewis 4, St. Cloud State 2 | Box score |
| Mar 06, 2018 | Clermont, FL | Saint Rose 7, Lewis 3 | Box score |
| Mar 06, 2018 | Clermont, FL | Lewis 9, Ferris State 1 | Box score |
| Mar 05, 2018 | Clermont, FL | Lewis 12, Nyack 4 | Box score |
| Mar 05, 2018 | Clermont, FL | Lewis 8, USciences 5 | Box score |
| Mar 04, 2018 | Leesburg, FL | Assumption 3, Lewis 2 | Box score |
| Mar 04, 2018 | Sleepy Hollow, FL | Lewis 3, Ferris State 2 | Box score |
| Feb 25, 2018 | Rosemont, IL | Lewis 9, Lindenwood 2 | Box score |
| Feb 24, 2018 | Rosemont, Ill. | Lewis 2, Wayne State 1 | Box score |
| Feb 24, 2018 | Rosemont, IL | Lewis 7, Findlay 6 | Box score |
| Feb 23, 2018 | Rosemont, IL | Grand Valley 5, Lewis 2 | Box score |
| Feb 23, 2018 | Rosemont, IL | Ashland 10, Lewis 5 | Box score |
| Feb 09, 2018 | Rochester, Minn. | Winona State 2, Lewis 0 | Box score |
| Feb 09, 2018 | Rochester, Minn. | Winona State 3, Lewis 0 | Box score |