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

EGTB: win in 4 half-moves

# move score
1 Rc1 win in 3 half-moves
2 Rb8 win in 5 half-moves
3 Rc4 win in 5 half-moves
4 Ra8 win in 7 half-moves
5 Ke8 loss in 4 half-moves
6 Kg8 loss in 4 half-moves
7 Rc7 loss in 4 half-moves
8 Ke7 loss in 2 half-moves
9 Kf7 loss in 2 half-moves
10 Kg7 loss in 2 half-moves
11 Nb2 loss in 2 half-moves
12 Nb6 loss in 2 half-moves
13 Nc3 loss in 2 half-moves
14 Nc5 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves