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

EGTB: draw

# move score
1 Kb1 draw
2 Kc2 draw
3 Kd1 draw
4 Kd2 draw
5 Ra4 draw
6 Rb4 draw
7 Rc4 draw
8 Rg1 draw
9 Rg2 draw
10 Rg3 draw
11 Rg5 draw
12 Rh4 draw
13 Kb2 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rg8 loss in 2 half-moves