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