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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Ka3 draw
3 Ka6 draw
4 Kaa5 draw
5 Kab4 draw
6 Kb3 draw
7 Kb6 draw
8 Kba5 draw
9 Kbb4 draw
10 Ra1 draw
11 Rb2 draw
12 Rc1 draw
13 Rh1 draw
14 Kc4 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves