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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Kb7 draw
3 Kb8 draw
4 Ra1 draw
5 Ra2 draw
6 Ra4 draw
7 Ra5 draw
8 Rb3 draw
9 Ka7 loss in 8 half-moves
10 Rc3 loss in 4 half-moves
11 Ra7 loss in 2 half-moves
12 Rd3 loss in 2 half-moves
13 Re3 loss in 2 half-moves
14 Rg3 loss in 2 half-moves
15 Rh3 loss in 2 half-moves
16 Rf3 loss in 1 half-moves