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 Rf8 win in 1 half-moves
3 R4b5 loss in 2 half-moves
4 R4b6 loss in 2 half-moves
5 R8b5 loss in 2 half-moves
6 R8b6 loss in 2 half-moves
7 Ra4 loss in 2 half-moves
8 Ra8 loss in 2 half-moves
9 Rb1 loss in 2 half-moves
10 Rb2 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 Rh8 loss in 2 half-moves
22 R4b7 loss in 1 half-moves
23 R8b7 loss in 1 half-moves