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

EGTB: win in 2 half-moves

# move score
1 Rd4 win in 1 half-moves
2 Rf4 draw
3 Rg5 draw
4 Rg6 draw
5 Rg7 draw
6 Rh4 draw
7 Kb1 loss in 2 half-moves
8 Kb2 loss in 2 half-moves
9 Kc2 loss in 2 half-moves
10 Kd1 loss in 2 half-moves
11 Kd2 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg8 loss in 2 half-moves