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

EGTB: win in 4 half-moves

# move score
1 Rf5 win in 3 half-moves
2 Rf6 win in 3 half-moves
3 Rf8 win in 3 half-moves
4 K6a7 draw
5 K6b7 draw
6 K8a7 draw
7 K8b7 draw
8 Kb6 draw
9 Kb8 draw
10 Rd4 draw
11 Re4 draw
12 Rf7 draw
13 Rg4 draw
14 Rh4 draw
15 Ka5 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rf3 loss in 2 half-moves