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

EGTB: win in 4 half-moves

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