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

EGTB: win in 4 half-moves

# move score
1 Rf7 win in 3 half-moves
2 Rf8 win in 3 half-moves
3 Kaa7 draw
4 Kab7 draw
5 Kba7 draw
6 Kbb7 draw
7 Kc8 draw
8 Rd3 draw
9 Re3 draw
10 Rf4 draw
11 Rf5 draw
12 Rf6 draw
13 Rg3 draw
14 Rh3 draw
15 Kc7 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rf2 loss in 2 half-moves