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

EGTB: draw

# move score
1 Ka1 draw
2 Ka2 draw
3 Ka3 draw
4 Kb1 draw
5 Kb3 draw
6 Kc1 draw
7 Kc2 draw
8 Kc3 draw
9 Rc2 draw
10 Rd2 draw
11 Re1 draw
12 Re3 draw
13 Re4 draw
14 Re5 draw
15 Re6 draw
16 Rf2 draw
17 Rg2 draw
18 Rh2 draw
19 Re7 loss in 2 half-moves
20 Re8 loss in 2 half-moves