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

EGTB: draw

# move score
1 Kb6 draw
2 Kb7 draw
3 Kc6 draw
4 Kc8 draw
5 Kd6 draw
6 Kd7 draw
7 Kd8 draw
8 Rb1 draw
9 Rb2 draw
10 Rb3 draw
11 Rb4 draw
12 Rb5 draw
13 Rb6 draw
14 Rb7 draw
15 Rc8 draw
16 Re8 draw
17 Rf8 draw
18 Rg8 draw
19 Rh8 draw
20 Ra8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves