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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 Ra8 draw
4 Rb3 draw
5 Rb4 draw
6 Rb5 draw
7 Rg8 draw
8 Rh8 draw
9 Ke1 loss in 2 half-moves
10 Ke2 loss in 2 half-moves
11 Kff2 loss in 2 half-moves
12 Kfg2 loss in 2 half-moves
13 Kgf2 loss in 2 half-moves
14 Kgg2 loss in 2 half-moves
15 Kh1 loss in 2 half-moves
16 Kh2 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves