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

EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Ra2 win in 3 half-moves
3 Ra3 win in 3 half-moves
4 Ra5 win in 4 half-moves
5 Rd7 draw
6 Rf7 draw
7 Rg7 draw
8 Rh7 draw
9 g1=B loss in 2 half-moves
10 g1=K loss in 2 half-moves
11 g1=N loss in 2 half-moves
12 g1=Q loss in 2 half-moves
13 g1=R loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Re7 loss in 2 half-moves