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 Ra6 win in 3 half-moves
3 Ra8 win in 3 half-moves
4 Ra7 win in 7 half-moves
5 Ka6 draw
6 Ka7 draw
7 Ka8 draw
8 Kb5 draw
9 Kb8 draw
10 Kbb6 draw
11 Kbc6 draw
12 Kc7 draw
13 Kc8 draw
14 Kcb6 draw
15 Kcc6 draw
16 Kd5 draw
17 Kd6 draw
18 Ra5 draw
19 Rh3 draw
20 Kb4 loss in 2 half-moves
21 Kc4 loss in 2 half-moves
22 Kd4 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Rb3 loss in 2 half-moves
26 Rc3 loss in 2 half-moves
27 Rd3 loss in 2 half-moves
28 Re3 loss in 2 half-moves
29 Rf3 loss in 2 half-moves
30 Rg3 loss in 2 half-moves