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

EGTB: draw

# move score
1 Kb1 draw
2 Kb2 draw
3 Kc2 draw
4 Ra7 draw
5 Rb7 draw
6 Rc7 draw
7 Rd7 draw
8 Re4 draw
9 Re5 draw
10 Re6 draw
11 Re8 draw
12 Kd1 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 Re1 loss in 2 half-moves
15 Re2 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rh7 loss in 2 half-moves