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

EGTB: draw

# move score
1 Kb7 draw
2 Kb8 draw
3 Kc7 draw
4 Kd7 draw
5 Kd8 draw
6 Ra5 draw
7 Rb5 draw
8 Rd5 draw
9 Re1 draw
10 Re3 draw
11 Re4 draw
12 Re6 draw
13 Rf5 draw
14 Rc5 loss in 2 half-moves
15 Re2 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rh5 loss in 2 half-moves