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

EGTB: win in 2 half-moves

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