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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Rb4 win in 5 half-moves
3 Rd4 win in 5 half-moves
4 Rc4 draw
5 Re4 draw
6 Rh1 draw
7 Rh2 draw
8 Rh3 draw
9 Ka5 loss in 2 half-moves
10 Ka6 loss in 2 half-moves
11 Ka7 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Ke7 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh5 loss in 2 half-moves
22 Rh6 loss in 2 half-moves
23 Rh7 loss in 2 half-moves
24 Rh8 loss in 2 half-moves
25 Kbc5 loss in 1 half-moves
26 Kbc6 loss in 1 half-moves
27 Kbc7 loss in 1 half-moves
28 Kdc5 loss in 1 half-moves
29 Kdc6 loss in 1 half-moves
30 Kdc7 loss in 1 half-moves