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

EGTB: win in 8 half-moves

# move score
1 Kc3 win in 7 half-moves
2 Kc2 win in 9 half-moves
3 Ka3 draw
4 Kaa2 draw
5 Kab1 draw
6 Kb3 draw
7 Kba2 draw
8 Kbb1 draw
9 Kc1 draw
10 Ra8 draw
11 Rb3 draw
12 Rb4 draw
13 Rb5 draw
14 Rb6 draw
15 Rb7 draw
16 Rc8 draw
17 Rd8 draw
18 Rh8 draw
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves