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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Rb4 win in 3 half-moves
3 Rc4 win in 3 half-moves
4 K7a7 draw
5 K7a8 draw
6 K7c7 draw
7 K7c8 draw
8 K8a7 draw
9 K8a8 draw
10 K8c7 draw
11 K8c8 draw
12 Ka6 draw
13 Kb6 draw
14 Kc6 draw
15 Rd4 draw
16 Re4 draw
17 Rf3 draw
18 Rf5 draw
19 Rf6 draw
20 Rf7 draw
21 Rf8 draw
22 Rf1 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rh4 loss in 2 half-moves