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

EGTB: draw

# move score
1 Kb7 draw
2 Kb8 draw
3 Kc7 draw
4 Kd7 draw
5 Kd8 draw
6 Rb7 draw
7 Rc7 draw
8 Rd7 draw
9 Re7 draw
10 Rf7 draw
11 Rg2 draw
12 Rg3 draw
13 Rg4 draw
14 Rg5 draw
15 Rg6 draw
16 Rg8 draw
17 Rh7 draw
18 Ra7 loss in 2 half-moves
19 Rg1 loss in 2 half-moves