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

EGTB: draw

# move score
1 Ka7 draw
2 Kb7 draw
3 Kb8 draw
4 Ra1 draw
5 Ra2 draw
6 Ra3 draw
7 Ra4 draw
8 Ra5 draw
9 Rb6 draw
10 Rg6 draw
11 Ra7 loss in 2 half-moves
12 Rc6 loss in 2 half-moves
13 Rd6 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rh6 loss in 2 half-moves