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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kb2 draw
3 Kc2 draw
4 Kc4 draw
5 Kd2 draw
6 Kd3 draw
7 Rb2 draw
8 Rb3 draw
9 Rb7 draw
10 Rf1 draw
11 Ra1 loss in 8 half-moves
12 Kb3 loss in 4 half-moves
13 Kb4 loss in 4 half-moves
14 Rc1 loss in 4 half-moves
15 Kd4 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves