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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Kc7 draw
3 Kc8 draw
4 Kd7 draw
5 Ke7 draw
6 Ke8 draw
7 Kf2 draw
8 Kg2 draw
9 Ra1 draw
10 Rb2 draw
11 Rb4 draw
12 Rb5 draw
13 Rb6 draw
14 Rb8 draw
15 Rc1 draw
16 Rd1 draw
17 Re1 draw
18 Ke1 loss in 2 half-moves
19 Ke2 loss in 2 half-moves
20 Kg1 loss in 2 half-moves
21 Rb3 loss in 1 half-moves