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 Kc4 draw
3 Kc6 draw
4 Kd4 draw
5 Kd5 draw
6 Rb5 draw
7 Rb8 draw
8 Rd1 draw
9 Kb4 loss in 4 half-moves
10 Kb5 loss in 4 half-moves
11 Kd6 loss in 4 half-moves
12 Rc1 loss in 4 half-moves
13 Kb6 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves
22 Ra1 loss in 1 half-moves