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

EGTB: win in 4 half-moves

# move score
1 Kaa2 win in 3 half-moves
2 Kaa4 win in 3 half-moves
3 Kab2 win in 3 half-moves
4 Kab4 win in 3 half-moves
5 Kba2 win in 3 half-moves
6 Kba4 win in 3 half-moves
7 Kbb2 win in 3 half-moves
8 Kbb4 win in 3 half-moves
9 Kc2 win in 3 half-moves
10 Kc4 win in 3 half-moves
11 Rb4 win in 3 half-moves
12 Ra5 win in 5 half-moves
13 Rc5 win in 5 half-moves
14 Kc3 win in 9 half-moves
15 Rb6 draw
16 Rb7 draw
17 Rb8 draw
18 Rd5 draw
19 Re5 draw
20 Rf5 draw
21 Rg5 loss in 2 half-moves
22 Rh5 loss in 2 half-moves