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