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

EGTB: draw

# move score
1 Ka6 draw
2 Kb4 draw
3 Kb5 draw
4 Kb6 draw
5 Re5 draw
6 Re6 draw
7 Re7 draw
8 Rf8 draw
9 Rg8 draw
10 Rh8 draw
11 Ka4 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Re4 loss in 2 half-moves