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 Rc3 draw
5 Rd3 draw
6 Re4 draw
7 Re5 draw
8 Re6 draw
9 Re7 draw
10 Re8 draw
11 Rf3 draw
12 Rg3 draw
13 Rh3 draw
14 Ra3 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Re2 loss in 2 half-moves