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

EGTB: win in 4 half-moves

# move score
1 Re8 win in 3 half-moves
2 Rc1 draw
3 Rc3 draw
4 Rc4 draw
5 Rc5 draw
6 Rd8 draw
7 Ke7 loss in 2 half-moves
8 Ke8 loss in 2 half-moves
9 Kf7 loss in 2 half-moves
10 Kfg7 loss in 2 half-moves
11 Kfg8 loss in 2 half-moves
12 Kh7 loss in 2 half-moves
13 Khg7 loss in 2 half-moves
14 Khg8 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rc7 loss in 2 half-moves