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

EGTB: win in 6 half-moves

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