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 Kc7 draw
3 Rb6 draw
4 Rb7 draw
5 Rb8 draw
6 Re1 draw
7 Rf1 draw
8 Ke7 loss in 8 half-moves
9 Ke8 loss in 6 half-moves
10 Kc8 loss in 4 half-moves
11 Kd8 loss in 4 half-moves
12 Rg1 loss in 4 half-moves
13 Rh1 loss in 4 half-moves
14 Kc6 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Rb2 loss in 1 half-moves
21 Rb3 loss in 1 half-moves
22 Rb4 loss in 1 half-moves