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 Re1 draw
5 Re2 draw
6 Re6 draw
7 Re7 draw
8 Re8 draw
9 Ra3 loss in 2 half-moves
10 Rb3 loss in 2 half-moves
11 Rc3 loss in 2 half-moves
12 Re4 loss in 2 half-moves
13 Rh3 loss in 2 half-moves
14 Rd3 loss in 1 half-moves
15 Re5 loss in 1 half-moves
16 Rf3 loss in 1 half-moves
17 Rg3 loss in 1 half-moves