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 Kb3 draw
3 Kbb5 draw
4 Kcb5 draw
5 Kcc4 draw
6 Kd4 draw
7 Kd5 draw
8 Rb2 draw
9 Rc1 draw
10 Rf1 draw
11 Ka3 loss in 2 half-moves
12 Ka4 loss in 2 half-moves
13 Ka5 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kbc4 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Rg1 loss in 2 half-moves
23 Rh1 loss in 2 half-moves