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

EGTB: draw

# move score
1 Kd7 draw
2 Kd8 draw
3 Ke7 draw
4 Kf7 draw
5 Kf8 draw
6 Rc1 draw
7 Rc6 draw
8 Rc7 draw
9 Rd8 draw
10 Ra8 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rc2 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rc5 loss in 2 half-moves