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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rb5 draw
3 Rb6 draw
4 Rb7 draw
5 Rd1 draw
6 Re1 draw
7 Rf1 draw
8 Rh1 draw
9 Kd4 loss in 2 half-moves
10 Kd5 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Kd8 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Ke8 loss in 2 half-moves
15 Kf4 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Kf7 loss in 2 half-moves
18 Kf8 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rb4 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 K5d6 loss in 1 half-moves
26 K5e6 loss in 1 half-moves
27 K5f6 loss in 1 half-moves
28 K7d6 loss in 1 half-moves
29 K7e6 loss in 1 half-moves
30 K7f6 loss in 1 half-moves