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

EGTB: win in 2 half-moves

# move score
1 Rg1 win in 1 half-moves
2 Rg4 win in 1 half-moves
3 R1a2 loss in 2 half-moves
4 R4a2 loss in 2 half-moves
5 Ra5 loss in 2 half-moves
6 Ra6 loss in 2 half-moves
7 Ra7 loss in 2 half-moves
8 Ra8 loss in 2 half-moves
9 Rb1 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rc1 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rd1 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Re1 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rh1 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 R1a3 loss in 1 half-moves
22 R4a3 loss in 1 half-moves