Vondrousova said she was stressed and had mental health issues. But a tribunal said she had no good reason to refuse the test.

Tomljanovic shared her own bad experience with doping tests. She thinks the system is unfair.

Tennis players must say where they will be every day. They can be tested at any time, even outside their scheduled hour.

Tomljanovic said testers can come at any time. She had a good experience with a female tester, but most are not nice.

Tomljanovic thinks testers are too aggressive. They come to players' homes or hotels to watch them give a sample.

The whereabouts app often does not work. Players can be banned if they miss three tests in a year.

Tomljanovic is sad about Vondrousova's ban. She hopes Vondrousova will appeal and get a better result.

The International Tennis Integrity Agency says punishments must be harsh. This is so players cannot avoid tests by refusing.

Tomljanovic thinks the system is not fair. Players are stressed because they do not know when they will be tested.

If a player misses a test, they can give another sample the next day. Tomljanovic thinks this is a better idea.

Different players get different punishments for the same thing. Tomljanovic thinks this is not fair.

Tomljanovic checks the whereabouts app every day. But it often does not work, which is stressful.

Tomljanovic was close to refusing a test once. But she did not want to get in trouble.

Tomljanovic had a bad experience with testers at the US Open. They came to her hotel room early in the morning.

The testers did not have the right papers to get into the tournament. Tomljanovic had to follow her rules.

Tomljanovic thinks some testers are not nice. They have too much power and can be rude to players.

Tomljanovic had a good experience with a female tester in Paris. But most testers are not like her.

The International Tennis Integrity Agency said players can be tested outside their scheduled hour. This is to keep the sport clean.

The agency knows testing can be stressful for players. But they think most testers are respectful.

The agency has rules that apply to all sports, not just tennis. They try to help players understand the system.

The agency is willing to listen to players' concerns. They want to make the system better.