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

EGTB: draw

# move score
1 Kb8 draw
2 Ra1 draw
3 Ra2 draw
4 Ra3 draw
5 Rd7 draw
6 Re7 draw
7 Rf7 draw
8 Rg7 draw
9 Rh7 draw
10 Kb7 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rc7 loss in 2 half-moves