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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Rh8 win in 5 half-moves
3 Rb4 draw
4 Rb5 draw
5 Rb6 draw
6 Rb7 draw
7 Rc8 draw
8 Rd8 draw
9 Re8 draw
10 Rf8 draw
11 K3g3 loss in 2 half-moves
12 K3g4 loss in 2 half-moves
13 K4g3 loss in 2 half-moves
14 K4g4 loss in 2 half-moves
15 Kg2 loss in 2 half-moves
16 Kg5 loss in 2 half-moves
17 Kh2 loss in 2 half-moves
18 Kh5 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb3 loss in 2 half-moves