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

EGTB: draw

# move score
1 Kb1 draw
2 Kb2 draw
3 Kc2 draw
4 Kd1 draw
5 Kd2 draw
6 Ra6 draw
7 Rb6 draw
8 Rc2 draw
9 Rc3 draw
10 Rc4 draw
11 Rc8 draw
12 Kc5 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Ke7 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rc7 loss in 2 half-moves