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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Kc6 draw
3 Kc7 draw
4 Rd8 draw
5 Kd6 loss in 2 half-moves
6 Kd8 loss in 2 half-moves
7 Ke6 loss in 2 half-moves
8 Ke7 loss in 2 half-moves
9 Ke8 loss in 2 half-moves
10 Ra8 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rc5 loss in 2 half-moves
14 Rc6 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves
19 Rc1 loss in 1 half-moves
20 Rc2 loss in 1 half-moves
21 Rc3 loss in 1 half-moves