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

EGTB: win in 4 half-moves

# move score
1 Ka7 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Ra7 win in 3 half-moves
4 K5b5 draw
5 K5b6 draw
6 K6b5 draw
7 K6b6 draw
8 Re8 draw
9 Ka4 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Rf8 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh8 loss in 2 half-moves