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

EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 Rc1 draw
3 Nf1 loss in 4 half-moves
4 Nf2 loss in 4 half-moves
5 Ng1 loss in 4 half-moves
6 Ra3 loss in 4 half-moves
7 Rb3 loss in 4 half-moves
8 Rc2 loss in 4 half-moves
9 Rc4 loss in 4 half-moves
10 Nf3 loss in 2 half-moves
11 Nf4 loss in 2 half-moves
12 Ng4 loss in 2 half-moves
13 Ng5 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rc8 loss in 1 half-moves