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 3 half-moves
3 Rb2 draw
4 Rb6 draw
5 Rb7 draw
6 Rc8 draw
7 Rf8 draw
8 Kf1 loss in 2 half-moves
9 Kf2 loss in 2 half-moves
10 Kg2 loss in 2 half-moves
11 Kh1 loss in 2 half-moves
12 Kh2 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves