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

EGTB: win in 2 half-moves

# move score
1 Kb3 win in 1 half-moves
2 Ra4 win in 1 half-moves
3 Ra6 win in 1 half-moves
4 Rd8 win in 1 half-moves
5 Kb2 draw
6 Ra3 draw
7 Ra5 draw
8 Ra7 draw
9 Re8 draw
10 Rf8 draw
11 Ka1 loss in 2 half-moves
12 Kb1 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh8 loss in 2 half-moves
17 Ka3 loss in 1 half-moves