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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Rd8 win in 5 half-moves
3 Kb6 win in 7 half-moves
4 Ka2 draw
5 Ka3 draw
6 Ka4 draw
7 Ka5 draw
8 Ka7 draw
9 Kb2 draw
10 Kb4 draw
11 Kb5 draw
12 Kb7 draw
13 Rb8 draw
14 Rc8 draw
15 Rf8 draw
16 Rh8 draw
17 Kc2 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves