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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Rd2 draw
3 Rd3 draw
4 Rd4 draw
5 Rdd1 draw
6 Re5 draw
7 Rg5 draw
8 Rgd1 draw
9 Ra1 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Rd6 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh5 loss in 2 half-moves