Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Rd7 draw
3 Re7 draw
4 Rf1 draw
5 Rf2 draw
6 Rf3 draw
7 Rf4 draw
8 Ka4 loss in 2 half-moves
9 Ka7 loss in 2 half-moves
10 Ka8 loss in 2 half-moves
11 Kaa6 loss in 2 half-moves
12 Kab6 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kb8 loss in 2 half-moves
16 Kba6 loss in 2 half-moves
17 Kbb6 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kc7 loss in 2 half-moves
20 Kc8 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves