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

EGTB: win in 4 half-moves

# move score
1 Kab4 win in 3 half-moves
2 Kab6 win in 3 half-moves
3 Kaa4 win in 5 half-moves
4 Kba4 win in 5 half-moves
5 Kbb4 win in 5 half-moves
6 Kaa6 draw
7 Kba6 draw
8 Kbb6 draw
9 Ra7 draw
10 Rb8 draw
11 Rc8 draw
12 Rd8 draw
13 Rh8 draw
14 Kc4 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves