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 Ra4 draw
7 Rc4 draw
8 Rd4 draw
9 Re5 draw
10 Re6 draw
11 Re8 draw
12 Rf4 draw
13 Kb5 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves