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

EGTB: win in 6 half-moves

# move score
1 Rb1 win in 5 half-moves
2 Ra5 draw
3 Rb6 draw
4 Rb7 draw
5 Rb8 draw
6 Rg5 draw
7 Rh5 draw
8 Ke1 loss in 2 half-moves
9 Ke2 loss in 2 half-moves
10 Kff2 loss in 2 half-moves
11 Kfg2 loss in 2 half-moves
12 Kgf2 loss in 2 half-moves
13 Kgg2 loss in 2 half-moves
14 Kh1 loss in 2 half-moves
15 Kh2 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rd5 loss in 2 half-moves
21 Re5 loss in 2 half-moves
22 Rf5 loss in 2 half-moves