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 Kc6 draw
4 Kd6 draw
5 Kd7 draw
6 Rb6 draw
7 Rb8 draw
8 Rf5 draw
9 Kb7 loss in 40 half-moves
10 Rb7 loss in 40 half-moves
11 Rb3 loss in 36 half-moves
12 Kb8 loss in 12 half-moves
13 Kc8 loss in 10 half-moves
14 Ra5 loss in 6 half-moves
15 Kd8 loss in 4 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rd5 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rh5 loss in 2 half-moves