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

EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 Rb3 draw
3 Rb4 draw
4 Rb7 draw
5 Rd8 draw
6 Rf8 draw
7 Rg8 draw
8 g5 loss in 2 half-moves
9 Nb6 loss in 2 half-moves
10 Nc5 loss in 2 half-moves
11 Ne5 loss in 2 half-moves
12 Nf6 loss in 2 half-moves
13 Nf8 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Re8 loss in 2 half-moves