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

EGTB: win in 4 half-moves

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