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

EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Rd7 win in 3 half-moves
3 Rf6 win in 5 half-moves
4 Kab8 draw
5 Kd7 draw
6 Kd8 draw
7 Re7 draw
8 Rf2 draw
9 Rf4 draw
10 Rf8 draw
11 Rg7 draw
12 Rh7 draw
13 Ka7 loss in 2 half-moves
14 Kab7 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kcb7 loss in 2 half-moves
17 Kcb8 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Rf5 loss in 2 half-moves