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

EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 Ra2 draw
3 Ra4 draw
4 Ra8 draw
5 Rc7 draw
6 Rd7 draw
7 Re7 draw
8 Rh7 draw
9 Ka3 loss in 2 half-moves
10 Kaa2 loss in 2 half-moves
11 Kab1 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kba2 loss in 2 half-moves
14 Kbb1 loss in 2 half-moves
15 Kc1 loss in 2 half-moves
16 Kc2 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves