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

EGTB: draw

# move score
1 Kb3 draw
2 Kb4 draw
3 Kc3 draw
4 Kc5 draw
5 Kd4 draw
6 Kd5 draw
7 Rd4 draw
8 Re5 draw
9 Re6 draw
10 Re7 draw
11 Re8 draw
12 Rh4 draw
13 Kb5 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Re1 loss in 2 half-moves
16 Re2 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves