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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Kbc6 win in 7 half-moves
3 Ra8 win in 7 half-moves
4 Ka4 draw
5 Ka5 draw
6 Ka6 draw
7 Kbb6 draw
8 Kcb6 draw
9 Kcc6 draw
10 Kd5 draw
11 Kd6 draw
12 Rb7 draw
13 Rc8 draw
14 Rf8 draw
15 Kbb4 loss in 2 half-moves
16 Kbc4 loss in 2 half-moves
17 Kcb4 loss in 2 half-moves
18 Kcc4 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh8 loss in 2 half-moves