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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Ka1 draw
3 Ka2 draw
4 Ka3 draw
5 Ka4 draw
6 Ka6 draw
7 Kb1 draw
8 Kb3 draw
9 Kb4 draw
10 Kb5 draw
11 Kc1 draw
12 Kc2 draw
13 Rb8 draw
14 Rc8 draw
15 Rg8 draw
16 Rh8 draw
17 Kb6 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves