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 Ra8 win in 3 half-moves
3 Ra7 win in 7 half-moves
4 Ka6 draw
5 Ka7 draw
6 Ka8 draw
7 Kb5 draw
8 Kb8 draw
9 Kbb6 draw
10 Kbc7 draw
11 Kc5 draw
12 Kc8 draw
13 Kcb6 draw
14 Kcc7 draw
15 Kd5 draw
16 Kd6 draw
17 Kd7 draw
18 Ra4 draw
19 Ra6 draw
20 Re3 draw
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rc3 loss in 2 half-moves
25 Rd3 loss in 2 half-moves
26 Rf3 loss in 2 half-moves
27 Rg3 loss in 2 half-moves
28 Rh3 loss in 2 half-moves