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 Kc8 draw
5 Kd7 draw
6 Rb6 draw
7 Rb7 draw
8 Rb8 draw
9 Kd8 loss in 4 half-moves
10 Ra2 loss in 4 half-moves
11 Rg2 loss in 4 half-moves
12 Rh2 loss in 4 half-moves
13 Kb6 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd6 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 Rc2 loss in 1 half-moves
20 Rd2 loss in 1 half-moves
21 Re2 loss in 1 half-moves
22 Rf2 loss in 1 half-moves