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

EGTB: draw

# move score
1 Ra2 draw
2 Ra3 draw
3 Ra7 draw
4 Ra8 draw
5 Rc5 draw
6 Rd5 draw
7 Re5 draw
8 Rf5 draw
9 Rg5 draw
10 Rh5 draw
11 Ka2 loss in 2 half-moves
12 Kb1 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rb5 loss in 2 half-moves