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 Ra1 draw
3 Ra2 draw
4 Ra3 draw
5 Ra5 draw
6 Ra6 draw
7 Rf8 draw
8 Rg8 draw
9 Rh8 draw
10 Kb4 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kcc6 loss in 2 half-moves
16 Kcd5 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Kdc6 loss in 2 half-moves
20 Kdd5 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Ke6 loss in 2 half-moves
23 Ke7 loss in 2 half-moves
24 Ra7 loss in 2 half-moves
25 Rb8 loss in 2 half-moves
26 Rc8 loss in 2 half-moves
27 Rd8 loss in 2 half-moves
28 Re8 loss in 2 half-moves