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 Kb3 draw
6 Kba4 draw
7 Kbb5 draw
8 Kc3 draw
9 Kc4 draw
10 Kc5 draw
11 Ra7 draw
12 Rb8 draw
13 Rd8 draw
14 Kab5 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh8 loss in 2 half-moves