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 Rb1 draw
8 Rb2 draw
9 Rb3 draw
10 Rb6 draw
11 Rb7 draw
12 Rb8 draw
13 Rc4 draw
14 Rd4 draw
15 Re4 draw
16 Rf4 draw
17 Rh4 draw
18 Kd6 loss in 2 half-moves
19 Kd7 loss in 2 half-moves
20 Kd8 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Rg4 loss in 2 half-moves