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 Re3 draw
3 Rf1 draw
4 Rf3 draw
5 Rg1 draw
6 Rg3 draw
7 Rh1 draw
8 Rh3 draw
9 Ka5 loss in 2 half-moves
10 Kb3 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 R1a2 loss in 2 half-moves
14 R3a2 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Rd3 loss in 2 half-moves