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 K5b6 draw
5 K6b6 draw
6 Ka4 draw
7 Rb8 draw
8 Rh8 draw
9 K5b5 loss in 2 half-moves
10 K6b5 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg8 loss in 2 half-moves