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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rb8 win in 5 half-moves
3 Ke7 draw
4 Ke8 draw
5 Kff7 draw
6 Kfg7 draw
7 Kgf7 draw
8 Kgg7 draw
9 Kh7 draw
10 Kh8 draw
11 Ra5 draw
12 Rb4 draw
13 Rb6 draw
14 Rc5 draw
15 Rd5 draw
16 Re5 draw
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rh5 loss in 2 half-moves