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 Kb6 draw
3 Kb7 draw
4 Kc7 draw
5 Kd6 draw
6 Ra5 draw
7 Rb6 draw
8 Rb7 draw
9 Rc5 draw
10 Rd5 draw
11 Kd7 loss in 6 half-moves
12 Re5 loss in 4 half-moves
13 Kc5 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rf5 loss in 1 half-moves
20 Rg5 loss in 1 half-moves
21 Rh5 loss in 1 half-moves