Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kc7 draw
5 Rb6 draw
6 Rb7 draw
7 Rb8 draw
8 Rc5 draw
9 Kd6 loss in 4 half-moves
10 Kd7 loss in 4 half-moves
11 Ra5 loss in 4 half-moves
12 Rf5 loss in 4 half-moves
13 Kc5 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rh5 loss in 2 half-moves