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

EGTB: draw

# move score
1 Kb6 draw
2 Kc6 draw
3 Kd5 draw
4 Kd6 draw
5 Rd5 draw
6 Re1 draw
7 Re3 draw
8 Re4 draw
9 Re7 draw
10 Re8 draw
11 Rf5 draw
12 Rg5 draw
13 Rh5 draw
14 Kb4 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Re6 loss in 2 half-moves