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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rd5 win in 3 half-moves
3 Ka2 win in 5 half-moves
4 K3b3 draw
5 K3b4 draw
6 K4b3 draw
7 K4b4 draw
8 Ka5 draw
9 Kb2 draw
10 Kb5 draw
11 Ra1 draw
12 Rc1 draw
13 Rd6 draw
14 Rd7 draw
15 Rd8 draw
16 Re1 draw
17 Rd2 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves