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

EGTB: win in 4 half-moves

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