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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Rf6 win in 1 half-moves
3 Ra4 loss in 2 half-moves
4 Ra6 loss in 2 half-moves
5 Rb4 loss in 2 half-moves
6 Rb6 loss in 2 half-moves
7 Rc4 loss in 2 half-moves
8 Rc6 loss in 2 half-moves
9 Rd4 loss in 2 half-moves
10 Rd6 loss in 2 half-moves
11 Re4 loss in 2 half-moves
12 Re6 loss in 2 half-moves
13 Rg1 loss in 2 half-moves
14 Rg2 loss in 2 half-moves
15 Rg3 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Rh6 loss in 2 half-moves
20 R4g5 loss in 1 half-moves
21 R6g5 loss in 1 half-moves