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 R4c5 loss in 2 half-moves
4 R6c5 loss in 2 half-moves
5 Ra4 loss in 2 half-moves
6 Ra6 loss in 2 half-moves
7 Rb4 loss in 2 half-moves
8 Rb6 loss in 2 half-moves
9 Rc2 loss in 2 half-moves
10 Rc3 loss in 2 half-moves
11 Rc7 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Rd6 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rh4 loss in 2 half-moves
20 Rh6 loss in 2 half-moves
21 Rc1 loss in 1 half-moves