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

EGTB: win in 4 half-moves

# move score
1 Kba4 win in 3 half-moves
2 Kba6 win in 3 half-moves
3 Kab6 win in 5 half-moves
4 Kbb6 win in 5 half-moves
5 Rb6 win in 5 half-moves
6 Rc7 win in 5 half-moves
7 Kaa4 draw
8 Kaa6 draw
9 Kab4 draw
10 Kbb4 draw
11 Ra7 draw
12 Rb8 draw
13 Rd7 draw
14 Rh7 draw
15 Kc4 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rg7 loss in 2 half-moves