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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 K7b7 draw
3 Rb1 draw
4 Rb2 draw
5 Rb6 draw
6 Rb7 draw
7 Rb8 draw
8 Rc3 draw
9 Rd3 draw
10 Re3 draw
11 K7b8 loss in 2 half-moves
12 K7d8 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 K7d7 loss in 1 half-moves
17 K8b7 loss in 1 half-moves
18 K8b8 loss in 1 half-moves
19 K8d7 loss in 1 half-moves
20 K8d8 loss in 1 half-moves
21 Ra3 loss in 1 half-moves
22 Rb5 loss in 1 half-moves
23 Rf3 loss in 1 half-moves
24 Rg3 loss in 1 half-moves
25 Rh3 loss in 1 half-moves