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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kb7 draw
3 Kc5 draw
4 Kc7 draw
5 Kd6 draw
6 Kd7 draw
7 Ra3 draw
8 Rb6 draw
9 Rd3 draw
10 Re3 draw
11 Kd5 loss in 10 half-moves
12 Kb5 loss in 4 half-moves
13 Kb6 loss in 4 half-moves
14 Rc3 loss in 4 half-moves
15 Rf3 loss in 4 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rh3 loss in 2 half-moves