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 3 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 Ra1 draw
12 Rb5 draw
13 Rb6 draw
14 Rc1 draw
15 Rd1 draw
16 Rh1 draw
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rg1 loss in 2 half-moves