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

EGTB: win in 2 half-moves

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