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

EGTB: draw

# move score
1 Kb1 draw
2 Kd1 draw
3 Ra2 draw
4 Rb2 draw
5 Rc2 draw
6 Rd2 draw
7 Re1 draw
8 Re3 draw
9 Re4 draw
10 Re5 draw
11 Re6 draw
12 Re7 draw
13 Re8 draw
14 Rg2 draw
15 Rh2 draw
16 Kb2 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kd2 loss in 2 half-moves
19 Rf2 loss in 2 half-moves