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