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

EGTB: draw

# move score
1 Kb1 draw
2 Rc4 draw
3 Rd1 draw
4 Rd2 draw
5 Rd3 draw
6 Rd7 draw
7 Rd8 draw
8 Re4 draw
9 Rf4 draw
10 Rg4 draw
11 Rh4 draw
12 Ka2 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rd5 loss in 2 half-moves
17 Rd6 loss in 2 half-moves