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 Kc3 draw
3 Kd2 draw
4 Kd3 draw
5 Kc1 loss in 14 half-moves
6 Rb2 loss in 14 half-moves
7 Rb4 loss in 14 half-moves
8 Rc1 loss in 10 half-moves
9 Kd1 loss in 8 half-moves
10 Ra1 loss in 8 half-moves
11 Rg1 loss in 8 half-moves
12 Kb2 loss in 6 half-moves
13 Kb3 loss in 4 half-moves
14 Rb3 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves