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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Ra3 draw
3 Ra4 draw
4 Ra6 draw
5 Ra7 draw
6 Ra8 draw
7 Rc2 draw
8 Rd2 draw
9 Re2 draw
10 Rg2 draw
11 K6c7 loss in 2 half-moves
12 K6d7 loss in 2 half-moves
13 K6e7 loss in 2 half-moves
14 K8c7 loss in 2 half-moves
15 K8d7 loss in 2 half-moves
16 K8e7 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kc8 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Ke6 loss in 2 half-moves
23 Ke8 loss in 2 half-moves
24 Ra1 loss in 2 half-moves
25 Rb2 loss in 2 half-moves
26 Rf2 loss in 2 half-moves
27 Rh2 loss in 2 half-moves