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 Rb3 draw
7 Rd3 draw
8 Re4 draw
9 Re5 draw
10 Re6 draw
11 Re7 draw
12 Re8 draw
13 Rf3 draw
14 Ra3 loss in 14 half-moves
15 Rc3 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rh3 loss in 2 half-moves