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 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Rb3 draw
6 Rb6 draw
7 Rb7 draw
8 Rb8 draw
9 Rc5 draw
10 Rd5 draw
11 Kd7 loss in 4 half-moves
12 Kd8 loss in 4 half-moves
13 Re5 loss in 4 half-moves
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rf5 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rh5 loss in 2 half-moves
19 Ra5 loss in 1 half-moves