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

EGTB: draw

# move score
1 Ka3 draw
2 Ka4 draw
3 Ka5 draw
4 Kb3 draw
5 Kb5 draw
6 Kc3 draw
7 Kc4 draw
8 Kc5 draw
9 Ra8 draw
10 Rc8 draw
11 Rg8 draw
12 Rh8 draw
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves