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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kc6 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Rb8 draw
7 Rf1 draw
8 Ke6 loss in 10 half-moves
9 Ke7 loss in 8 half-moves
10 Kc7 loss in 4 half-moves
11 Kd7 loss in 4 half-moves
12 Kc5 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rb2 loss in 1 half-moves
22 Rb3 loss in 1 half-moves