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 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kc6 draw
6 Kc8 draw
7 Kd6 draw
8 Kd7 draw
9 Kd8 draw
10 Ra2 draw
11 Rb1 draw
12 Rb3 draw
13 Rb4 draw
14 Rb7 draw
15 Rd2 draw
16 Re2 draw
17 Rf2 draw
18 Rb6 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rh2 loss in 2 half-moves