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

EGTB: win in 4 half-moves

# move score
1 K7b8 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 K7b7 draw
4 K8b7 draw
5 K8b8 draw
6 Ka6 draw
7 Ra3 draw
8 Rb1 draw
9 Rb2 draw
10 Rb4 draw
11 Rb5 draw
12 Rb6 draw
13 Rb7 draw
14 Rc3 draw
15 Rd3 draw
16 Re3 draw
17 Rf3 draw
18 Rb8 loss in 1 half-moves
19 Rg3 loss in 1 half-moves
20 Rh3 loss in 1 half-moves