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 Ra3 draw
3 Ra5 draw
4 Rb7 draw
5 Rf7 draw
6 Rh7 draw
7 Kb2 loss in 2 half-moves
8 Kb3 loss in 2 half-moves
9 Kb4 loss in 2 half-moves
10 Kc2 loss in 2 half-moves
11 Kc4 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Rd7 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves