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