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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Ka3 draw
3 Ka6 draw
4 Kaa4 draw
5 Kab5 draw
6 Kb3 draw
7 Kb6 draw
8 Kba4 draw
9 Kbb5 draw
10 Ra7 draw
11 Rb8 draw
12 Rc8 draw
13 Rh8 draw
14 Kc3 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves