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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Kb4 draw
3 Kb5 draw
4 Kb6 draw
5 Kc4 draw
6 Kc6 draw
7 Rb3 draw
8 Rb5 draw
9 Rc1 draw
10 Rd1 draw
11 Kd6 loss in 18 half-moves
12 Kd5 loss in 8 half-moves
13 Rf1 loss in 8 half-moves
14 Kd4 loss in 6 half-moves
15 Re1 loss in 4 half-moves
16 Rb4 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rb8 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