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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc6 draw
5 Kc8 draw
6 Rb6 draw
7 Rb7 draw
8 Rb8 draw
9 Rc4 draw
10 Kd6 loss in 4 half-moves
11 Kd7 loss in 4 half-moves
12 Kd8 loss in 4 half-moves
13 Kb6 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Ra4 loss in 1 half-moves