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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Ka1 draw
3 Ka2 draw
4 Ka5 draw
5 Ka6 draw
6 Ka7 draw
7 Kb2 draw
8 Kb7 draw
9 Kc1 draw
10 Kc2 draw
11 Ra1 draw
12 Ra2 draw
13 Ra6 draw
14 Ra8 draw
15 Rb3 draw
16 Rg3 draw
17 Rh3 draw
18 Kb5 loss in 2 half-moves
19 Kc5 loss in 2 half-moves
20 Kc6 loss in 2 half-moves
21 Kc7 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Rc3 loss in 2 half-moves
25 Rd3 loss in 2 half-moves
26 Re3 loss in 2 half-moves
27 Rf3 loss in 2 half-moves