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

EGTB: win in 2 half-moves

# move score
1 R4a5 win in 1 half-moves
2 R6a5 win in 1 half-moves
3 Rb4 win in 1 half-moves
4 Rd4 win in 1 half-moves
5 Re4 win in 1 half-moves
6 Rf6 win in 1 half-moves
7 Rg4 win in 1 half-moves
8 Ra2 loss in 2 half-moves
9 Ra3 loss in 2 half-moves
10 Ra7 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rc6 loss in 2 half-moves
15 Rd6 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Rf4 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 Ra1 loss in 1 half-moves