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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Ka3 draw
3 Kb3 draw
4 Kc3 draw
5 Ra3 draw
6 Re8 draw
7 Rf8 draw
8 Rg8 draw
9 Ka1 loss in 2 half-moves
10 Ka2 loss in 2 half-moves
11 Kb1 loss in 2 half-moves
12 Kc1 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kf1 loss in 2 half-moves
15 Kf2 loss in 2 half-moves
16 Kg2 loss in 2 half-moves
17 Kh1 loss in 2 half-moves
18 Kh2 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra5 loss in 2 half-moves
22 Ra6 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Rc8 loss in 2 half-moves
26 Rd8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves