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

EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Rg4 win in 3 half-moves
3 Ra4 draw
4 Rb5 draw
5 Rb6 draw
6 Rb7 draw
7 Rb8 draw
8 Re4 draw
9 Rh4 draw
10 Kd1 loss in 2 half-moves
11 Kd2 loss in 2 half-moves
12 Kee2 loss in 2 half-moves
13 Kef2 loss in 2 half-moves
14 Kfe2 loss in 2 half-moves
15 Kff2 loss in 2 half-moves
16 Kg1 loss in 2 half-moves
17 Kg2 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rd4 loss in 2 half-moves