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

EGTB: draw

# move score
1 Kb4 draw
2 Kb5 draw
3 Kb6 draw
4 Kc4 draw
5 Kc6 draw
6 Kd4 draw
7 Kd5 draw
8 Kd6 draw
9 Rc7 draw
10 Rd7 draw
11 Re1 draw
12 Re6 draw
13 Re8 draw
14 Rf7 draw
15 Ra7 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves