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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Ka4 draw
3 Kb4 draw
4 Kb6 draw
5 Kc4 draw
6 Kc5 draw
7 Kc6 draw
8 Ra1 draw
9 Ra2 draw
10 Ra5 draw
11 Ra7 draw
12 Rb3 draw
13 Rc3 draw
14 Rd3 draw
15 Rf3 draw
16 Ka5 loss in 4 half-moves
17 Ka6 loss in 4 half-moves
18 Ra4 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rh3 loss in 2 half-moves