Western United annihilated Thevenard by 178 points on Saturday to secure an 11th successive A grade Far West football season win.
The Magpies were kept scoreless after quarter-time at Penong as Westies ran away with a 27-22 (184) to 1-0 (6) victory.
Jarden Stoetzer moved further ahead atop the goalkicking charts with a haul of 10, while Tom Woods kicked seven and Jesse Chandler added six goals.
The home side raced clear in the first quarter with seven goals to Thevenard's lone major, kicked by Chandler Smart.
The one-way traffic continued throughout the rest of the encounter as the Tigers booted eight goals in the second quarter to lead by 93 points at half-time.
A further five goals arrived in the third term, while Western United finished off the contest with seven final-quarter goals.
Elsewhere, The Blues gained momentum ahead of the finals with a convincing home win against Koonibba.
A good start and decisive third quarter helped the Blues to the 39-point triumph as it ended 15-11 (101) to 8-14 (62).
The Blues raced away with four goals to one in the first term for a 22-point advantage at the break.
The Roosters clawed back into the contest in the second term to reduce the margin to 17 points, however could have done further damage had they converted more than three of their nine scoring shots.
The Blues regained their composure at half-time to come out firing in the third quarter.
A four-goal quarter to Koonibba's three behinds extended the lead to 41 points and put the result beyond doubt.
Both sides added four goals in an exciting final quarter to see the Blues record a third win of 2019.
Bayln Thompson and Blake Richards kicked three goals apiece, while Koonibba pair Tyron Winfield and Winston Ginger booted two majors.
Thevenard defeated Western United in a B grade thriller by seven points.
The lead changed throughout the contest as the Magpies won 7-7 (49) to 6-6 (42).
Westies shaded the first term by four points, however Thevenard hit back in the second term to grab a four-point lead by half-time.
The intensity carried through to the third quarter as Western United restored its advantage with three goals to two to lead by three points, yet Thevenard did enough in the final term to get the points.
Reefe Fairclough kicked three goals for the Tigers, while Thevy's Jacob Grills bagged a pair.
Leaders Koonibba cruised to a 14-10 (94) to 4-1 (25) win against the Blues.
The Roosters dominated from the opening siren to grab the 69-point victory.
The visitors kicked six goals to one in the first term and extended the gap to 39 points by the main break.
Koonibba continued to widen the gap in the second half and reduced the Blues to a solitary behind in the final term.