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 Ra4 draw
4 Rb4 draw
5 Rc4 draw
6 Rf1 draw
7 Rf5 draw
8 Rf6 draw
9 Rh4 draw
10 Kaa7 loss in 2 half-moves
11 Kab7 loss in 2 half-moves
12 Kba7 loss in 2 half-moves
13 Kbb7 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kc8 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rg4 loss in 2 half-moves