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 Kc4 draw
4 Kc5 draw
5 Kc6 draw
6 Ra8 draw
7 Rb6 draw
8 Rc8 draw
9 Rf8 draw
10 Ka6 loss in 6 half-moves
11 Kb4 loss in 4 half-moves
12 Kb6 loss in 4 half-moves
13 Rb7 loss in 4 half-moves
14 Rd8 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh8 loss in 2 half-moves
17 Re8 loss in 1 half-moves