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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc6 draw
5 Kc8 draw
6 Kd6 draw
7 Kd7 draw
8 Kd8 draw
9 Rb2 draw
10 Rb3 draw
11 Rb4 draw
12 Rb5 draw
13 Rb7 draw
14 Rc6 draw
15 Rd6 draw
16 Re6 draw
17 Rf6 draw
18 Rg6 draw
19 Ra6 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rh6 loss in 2 half-moves