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 Ra4 draw
7 Rb3 draw
8 Rb8 draw
9 Rc4 draw
10 Rd4 draw
11 Re4 draw
12 Rh4 draw
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves