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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Ka7 draw
3 Ka8 draw
4 Kb7 draw
5 Kc7 draw
6 Kc8 draw
7 Kd7 draw
8 Kd8 draw
9 Ke7 draw
10 Kf7 draw
11 Kf8 draw
12 Ra1 draw
13 Rb5 draw
14 Rb6 draw
15 Rc1 draw
16 Rg1 draw
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Rf1 loss in 2 half-moves
23 Rh1 loss in 2 half-moves