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