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

EGTB: draw

# move score
1 Kb7 draw
2 Kc7 draw
3 Kc8 draw
4 Ra2 draw
5 Rb3 draw
6 Rb4 draw
7 Rb5 draw
8 Rb6 draw
9 Rc2 draw
10 Rd2 draw
11 Re2 draw
12 Ka7 loss in 4 half-moves
13 Ka8 loss in 4 half-moves
14 Rb1 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rh2 loss in 2 half-moves