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

EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 R4a5 draw
3 R4a6 draw
4 R7a5 draw
5 R7a6 draw
6 Ra3 draw
7 Ra8 draw
8 Rb4 draw
9 Rb7 draw
10 Rc4 draw
11 Rc7 draw
12 Rg4 draw
13 Ra1 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Rh7 loss in 2 half-moves