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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Ra5 draw
3 Ra6 draw
4 Re7 draw
5 Rf7 draw
6 Rg7 draw
7 Rh7 draw
8 K2b2 loss in 2 half-moves
9 K2b3 loss in 2 half-moves
10 K3b2 loss in 2 half-moves
11 K3b3 loss in 2 half-moves
12 Ka1 loss in 2 half-moves
13 Ka4 loss in 2 half-moves
14 Kb1 loss in 2 half-moves
15 Kb4 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 Rd7 loss in 2 half-moves