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 Rc8 win in 1 half-moves
3 Ka2 draw
4 Ka4 draw
5 Ra4 draw
6 Rb8 draw
7 Kb2 loss in 2 half-moves
8 Kb3 loss in 2 half-moves
9 Kb4 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Rd8 loss in 2 half-moves
13 Re8 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