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

EGTB: win in 4 half-moves

# move score
1 Rd1 win in 3 half-moves
2 Re1 win in 3 half-moves
3 Rf1 win in 3 half-moves
4 Rh1 win in 13 half-moves
5 Rb2 draw
6 Rb5 draw
7 Rb6 draw
8 Rb7 draw
9 Rc1 draw
10 Rg1 draw
11 K6d7 loss in 2 half-moves
12 K6e7 loss in 2 half-moves
13 K6f7 loss in 2 half-moves
14 K8d7 loss in 2 half-moves
15 K8e7 loss in 2 half-moves
16 K8f7 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Kd8 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Kf5 loss in 2 half-moves
22 Kf6 loss in 2 half-moves
23 Kf8 loss in 2 half-moves
24 Ra1 loss in 2 half-moves
25 Rb3 loss in 2 half-moves
26 Rb4 loss in 2 half-moves
27 Rb8 loss in 2 half-moves