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

EGTB: draw

# move score
1 Kb3 draw
2 Kb4 draw
3 Kb5 draw
4 Kc3 draw
5 Kc5 draw
6 Ra8 draw
7 Rb8 draw
8 Rc5 draw
9 Rc6 draw
10 Rc7 draw
11 Rd8 draw
12 Rh8 draw
13 Kd3 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves