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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Re1 win in 3 half-moves
3 Rg7 win in 3 half-moves
4 Ra2 draw
5 Ra3 draw
6 Ra5 draw
7 Ra6 draw
8 Raa1 draw
9 Rb7 draw
10 Rd7 draw
11 Re7 draw
12 Rf1 draw
13 Rf7 draw
14 Rga1 draw
15 Rh1 draw
16 Rh7 draw
17 Ra4 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rd1 loss in 2 half-moves