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

EGTB: win in 4 half-moves

# move score
1 Kaa1 win in 3 half-moves
2 Kaa3 win in 3 half-moves
3 Kab1 win in 3 half-moves
4 Kab3 win in 3 half-moves
5 Kba1 win in 3 half-moves
6 Kba3 win in 3 half-moves
7 Kbb1 win in 3 half-moves
8 Kbb3 win in 3 half-moves
9 Kc1 win in 3 half-moves
10 Kc3 win in 3 half-moves
11 Ra8 win in 3 half-moves
12 Rc8 win in 5 half-moves
13 Kc2 draw
14 Rb6 draw
15 Rb7 draw
16 Rd8 draw
17 Re8 draw
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh8 loss in 2 half-moves