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

EGTB: draw

# move score
1 Kb1 draw
2 Kb2 draw
3 Kc2 draw
4 Kd1 draw
5 Kd2 draw
6 Ra3 draw
7 Rc3 draw
8 Rd3 draw
9 Re1 draw
10 Re4 draw
11 Re5 draw
12 Re7 draw
13 Re8 draw
14 Rf3 draw
15 Rg3 draw
16 Rh3 draw
17 Rb3 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Re6 loss in 2 half-moves