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

EGTB: draw

# move score
1 K2f3 draw
2 K2h3 draw
3 K4f3 draw
4 K4h3 draw
5 Kf1 draw
6 Kf2 draw
7 Kf4 draw
8 Kf5 draw
9 Kg1 draw
10 Kg5 draw
11 Kh1 draw
12 Kh2 draw
13 Kh4 draw
14 Kh5 draw
15 Rc3 draw
16 Rd3 draw
17 Re3 draw
18 Rf3 draw
19 Rh3 draw
20 Ra3 loss in 2 half-moves
21 Rb3 loss in 2 half-moves