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 Kd5 draw
4 Kd6 draw
5 Kd7 draw
6 Rb4 draw
7 Rb6 draw
8 Rb7 draw
9 Rb8 draw
10 Rc5 draw
11 Kc7 loss in 30 half-moves
12 Kb6 loss in 22 half-moves
13 Kb7 loss in 6 half-moves
14 Ra5 loss in 4 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rg5 loss in 1 half-moves
21 Rh5 loss in 1 half-moves