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

EGTB: win in 4 half-moves

# move score
1 Rd4 win in 3 half-moves
2 Rf4 win in 3 half-moves
3 Rg4 win in 3 half-moves
4 Rb1 draw
5 Rb7 draw
6 Rb8 draw
7 Re4 draw
8 Rh4 draw
9 Kc7 loss in 2 half-moves
10 Kc8 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Kde7 loss in 2 half-moves
13 Kde8 loss in 2 half-moves
14 Kf7 loss in 2 half-moves
15 Kfe7 loss in 2 half-moves
16 Kfe8 loss in 2 half-moves
17 Kg7 loss in 2 half-moves
18 Kg8 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rc4 loss in 2 half-moves