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 Ka1 draw
3 Kb1 draw
4 Kb2 draw
5 Kb3 draw
6 Ra4 draw
7 Ra6 draw
8 Rb3 draw
9 Re3 draw
10 Rc3 loss in 4 half-moves
11 Rf3 loss in 4 half-moves
12 Rh3 loss in 4 half-moves
13 Ra5 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Rg3 loss in 2 half-moves