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 Kf2 draw
3 Kg2 draw
4 Kh2 draw
5 Ra1 draw
6 Ra2 draw
7 Ra3 draw
8 Rb8 draw
9 Rd8 draw
10 Re8 draw
11 Rf8 draw
12 Kc3 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Kf3 loss in 2 half-moves
21 Kf4 loss in 2 half-moves
22 Kg4 loss in 2 half-moves
23 Kh3 loss in 2 half-moves
24 Kh4 loss in 2 half-moves
25 Ra5 loss in 2 half-moves
26 Ra6 loss in 2 half-moves
27 Ra7 loss in 2 half-moves
28 Rc8 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh8 loss in 2 half-moves