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

EGTB: draw

# move score
1 Kb8 draw
2 Kd8 draw
3 Ra7 draw
4 Rb7 draw
5 Rc7 draw
6 Rd7 draw
7 Re7 draw
8 Rf1 draw
9 Rf2 draw
10 Rf3 draw
11 Rf4 draw
12 Rf5 draw
13 Rf6 draw
14 Rf8 draw
15 Rh7 draw
16 Kb7 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Rg7 loss in 2 half-moves