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

EGTB: win in 4 half-moves

# move score
1 Kba4 win in 3 half-moves
2 Kba6 win in 3 half-moves
3 Kc4 win in 3 half-moves
4 Kc6 win in 3 half-moves
5 Rc1 win in 5 half-moves
6 Kaa4 draw
7 Kaa6 draw
8 Kab4 draw
9 Kab6 draw
10 Kbb4 draw
11 Kbb6 draw
12 Kc5 draw
13 Ra1 draw
14 Rb2 draw
15 Rd1 draw
16 Re1 draw
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves