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 Rd5 win in 1 half-moves
3 Rg1 draw
4 Ka5 loss in 2 half-moves
5 Ka6 loss in 2 half-moves
6 Ka7 loss in 2 half-moves
7 Kb5 loss in 2 half-moves
8 Kb7 loss in 2 half-moves
9 Kc5 loss in 2 half-moves
10 Kc6 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Ra1 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rd2 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Rh1 loss in 2 half-moves
20 Rd3 loss in 1 half-moves
21 Re1 loss in 1 half-moves
22 Rf1 loss in 1 half-moves