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 Kc1 draw
3 Kc3 draw
4 Kd3 draw
5 Rb2 draw
6 Rb3 draw
7 Kb3 loss in 18 half-moves
8 Kd2 loss in 16 half-moves
9 Ra1 loss in 14 half-moves
10 Rf1 loss in 6 half-moves
11 Kb2 loss in 4 half-moves
12 Kd1 loss in 4 half-moves
13 Rc1 loss in 4 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves