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

EGTB: draw

# move score
1 Ka4 draw
2 Ka5 draw
3 Ka6 draw
4 Kb6 draw
5 Kc4 draw
6 Kc5 draw
7 Kc6 draw
8 Ra7 draw
9 Rc7 draw
10 Kb4 loss in 4 half-moves
11 Rb8 loss in 4 half-moves
12 Rd7 loss in 4 half-moves
13 Rb6 loss in 2 half-moves
14 Rf7 loss in 2 half-moves
15 Rg7 loss in 2 half-moves
16 Rh7 loss in 2 half-moves
17 Re7 loss in 1 half-moves