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

EGTB: draw

# move score
1 Kb2 draw
2 Kb3 draw
3 Kc1 draw
4 Kc3 draw
5 Kd1 draw
6 Kd2 draw
7 Kd3 draw
8 Ra7 draw
9 Rb7 draw
10 Rc5 draw
11 Rc6 draw
12 Rf7 draw
13 Rc3 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rh7 loss in 2 half-moves
20 Kb1 loss in 1 half-moves