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

EGTB: win in 4 half-moves

# move score
1 Kd2 win in 3 half-moves
2 R1a3 win in 3 half-moves
3 Kc2 win in 5 half-moves
4 R1a4 win in 5 half-moves
5 Kb1 draw
6 Kb2 draw
7 Kd1 draw
8 R1a2 draw
9 R5a2 draw
10 R5a3 draw
11 R5a4 draw
12 Ra6 draw
13 Ra7 draw
14 Rb1 draw
15 Rb5 draw
16 Rc5 draw
17 Re5 draw
18 Rf5 draw
19 Rg5 draw
20 Rh5 draw
21 Ra8 loss in 2 half-moves
22 Rd5 loss in 2 half-moves