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 Rh4 win in 3 half-moves
4 Rb5 draw
5 Rb6 draw
6 Rb7 draw
7 Rb8 draw
8 Rc4 draw
9 Rd4 draw
10 Re4 draw
11 Kf7 loss in 2 half-moves
12 Kf8 loss in 2 half-moves
13 Kg6 loss in 2 half-moves
14 Kgg7 loss in 2 half-moves
15 Kgh8 loss in 2 half-moves
16 Kh6 loss in 2 half-moves
17 Khg7 loss in 2 half-moves
18 Khh8 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb3 loss in 2 half-moves