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

EGTB: draw

# move score
1 Kb3 draw
2 Kb4 draw
3 Kb5 draw
4 Kc3 draw
5 Kc5 draw
6 Kd3 draw
7 Kd4 draw
8 Kd5 draw
9 Ra7 draw
10 Rb7 draw
11 Rc8 draw
12 Rd7 draw
13 Re7 draw
14 Rf7 draw
15 Rc5 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rh7 loss in 2 half-moves