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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Kb7 draw
3 Kc5 draw
4 Kc7 draw
5 Ra8 draw
6 Rb1 draw
7 Rb5 draw
8 Rb6 draw
9 Rd8 draw
10 Rh8 draw
11 Kb5 loss in 4 half-moves
12 Kb6 loss in 4 half-moves
13 Rc8 loss in 4 half-moves
14 Kd5 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves