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

EGTB: draw

# move score
1 Kb6 draw
2 Kb7 draw
3 Kc7 draw
4 Kd6 draw
5 Kd7 draw
6 Rc8 draw
7 Rd8 draw
8 Re1 draw
9 Re6 draw
10 Re7 draw
11 Rf8 draw
12 Rg8 draw
13 Rh8 draw
14 Kb5 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Re5 loss in 2 half-moves