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

EGTB: draw

# move score
1 Kb3 draw
2 Kb5 draw
3 Kc3 draw
4 Kc5 draw
5 Kd3 draw
6 Kd4 draw
7 Kd5 draw
8 Ra4 draw
9 Rb3 draw
10 Rb8 draw
11 Rb1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves