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

EGTB: win in 4 half-moves

# move score
1 Ka3 win in 3 half-moves
2 Ka5 win in 3 half-moves
3 Kbc3 win in 3 half-moves
4 Kbc5 win in 3 half-moves
5 Ra1 win in 3 half-moves
6 Ka4 draw
7 Kbb3 draw
8 Kbb5 draw
9 Kcb3 draw
10 Kcb5 draw
11 Kcc3 draw
12 Kcc5 draw
13 Rc1 draw
14 Rh1 draw
15 Kd3 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Rf1 loss in 2 half-moves
23 Rg1 loss in 2 half-moves